1901252 has 12 divisors (see below), whose sum is σ = 3408636. Its totient is φ = 927360.

The previous prime is 1901231. The next prime is 1901267. The reversal of 1901252 is 2521091.

It can be written as a sum of positive squares in 2 ways, for example, as 948676 + 952576 = 974^2 + 976^2 .

It is a super-2 number, since 2×1901252² = 7229518335008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5633 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (284053).

2^1901252 is an apocalyptic number.

It is an amenable number.

1901252 is a deficient number, since it is larger than the sum of its proper divisors (1507384).

1901252 is a wasteful number, since it uses less digits than its factorization.

1901252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11638 (or 11636 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1901252 is about 1378.8589485513. The cubic root of 1901252 is about 123.8834319026.

The spelling of 1901252 in words is "one million, nine hundred one thousand, two hundred fifty-two".