1901052 has 18 divisors (see below), whose sum is σ = 4805528. Its totient is φ = 633672.

The previous prime is 1901033. The next prime is 1901087. The reversal of 1901052 is 2501091.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1901052² = 7227997413408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 26368 + ... + 26439.

2^1901052 is an apocalyptic number.

1901052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1901052 is an abundant number, since it is smaller than the sum of its proper divisors (2904476).

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

1901052 is a wasteful number, since it uses less digits than its factorization.

1901052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52817 (or 52812 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1901052 is about 1378.7864229097. The cubic root of 1901052 is about 123.8790878256.

The spelling of 1901052 in words is "one million, nine hundred one thousand, fifty-two".