1901152 has 36 divisors (see below), whose sum is σ = 4122468. Its totient is φ = 862400.

The previous prime is 1901147. The next prime is 1901177. The reversal of 1901152 is 2511091.

It is a super-2 number, since 2×1901152² = 7228757854208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3627 + ... + 4117.

It is an arithmetic number, because the mean of its divisors is an integer number (114513).

2^1901152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1901152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061234).

1901152 is an abundant number, since it is smaller than the sum of its proper divisors (2221316).

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

1901152 is a wasteful number, since it uses less digits than its factorization.

1901152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 1901152 is about 1378.8226862073. The cubic root of 1901152 is about 123.8812599022.

It can be divided in two parts, 1 and 901152, that added together give a triangular number (901153 = T₁₃₄₂).

The spelling of 1901152 in words is "one million, nine hundred one thousand, one hundred fifty-two".