1901108232 has 320 divisors, whose sum is σ = 6147187200. Its totient is φ = 544942080.

The previous prime is 1901108197. The next prime is 1901108239. The reversal of 1901108232 is 2328011091.

It is a super-2 number, since 2×1901108232² = 7228425019556331648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1901108196 and 1901108205.

It is not an unprimeable number, because it can be changed into a prime (1901108239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6488278 + ... + 6488570.

It is an arithmetic number, because the mean of its divisors is an integer number (19209960).

Almost surely, 2^1901108232 is an apocalyptic number.

1901108232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1901108232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3073593600).

1901108232 is an abundant number, since it is smaller than the sum of its proper divisors (4246078968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1901108232 is a wasteful number, since it uses less digits than its factorization.

1901108232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1901108232 is about 43601.6998751195. The cubic root of 1901108232 is about 1238.8030923707.

The spelling of 1901108232 in words is "one billion, nine hundred one million, one hundred eight thousand, two hundred thirty-two".