1252372104 has 80 divisors (see below), whose sum is σ = 3515618700. Its totient is φ = 416527488.

The previous prime is 1252372097. The next prime is 1252372109. The reversal of 1252372104 is 4012732521.

It can be written as a sum of positive squares in 2 ways, for example, as 1218149604 + 34222500 = 34902^2 + 5850^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1252372109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 327934 + ... + 331730.

Almost surely, 2^1252372104 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 1252372104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757809350).

1252372104 is an abundant number, since it is smaller than the sum of its proper divisors (2263246596).

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

1252372104 is a wasteful number, since it uses less digits than its factorization.

1252372104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1252372104 is about 35388.8697756795. The cubic root of 1252372104 is about 1077.8983201918.

The spelling of 1252372104 in words is "one billion, two hundred fifty-two million, three hundred seventy-two thousand, one hundred four".