1901120824 has 16 divisors (see below), whose sum is σ = 3565234800. Its totient is φ = 950391552.

The previous prime is 1901120803. The next prime is 1901120827. The reversal of 1901120824 is 4280211091.

It is a super-2 number, since 2×1901120824² = 7228520774892877952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1901120792 and 1901120801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1901120827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35749 + ... + 71275.

It is an arithmetic number, because the mean of its divisors is an integer number (222827175).

Almost surely, 2^1901120824 is an apocalyptic number.

It is an amenable number.

1901120824 is a deficient number, since it is larger than the sum of its proper divisors (1664113976).

1901120824 is a wasteful number, since it uses less digits than its factorization.

1901120824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42222 (or 42218 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1901120824 is about 43601.8442729204. The cubic root of 1901120824 is about 1238.8058274376.

The spelling of 1901120824 in words is "one billion, nine hundred one million, one hundred twenty thousand, eight hundred twenty-four".