1252061604 has 96 divisors (see below), whose sum is σ = 3363225600. Its totient is φ = 402395040.

The previous prime is 1252061579. The next prime is 1252061609. The reversal of 1252061604 is 4061602521.

1252061604 is a `hidden beast` number, since 1 + 2 + 52 + 0 + 6 + 1 + 604 = 666.

It is a super-4 number, since 4×1252061604⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 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 (1252061609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1228207 + ... + 1229225.

It is an arithmetic number, because the mean of its divisors is an integer number (35033600).

Almost surely, 2^1252061604 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 1252061604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681612800).

1252061604 is an abundant number, since it is smaller than the sum of its proper divisors (2111163996).

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

1252061604 is a wasteful number, since it uses less digits than its factorization.

1252061604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1252061604 is about 35384.4825311887. The cubic root of 1252061604 is about 1077.8092318954.

The spelling of 1252061604 in words is "one billion, two hundred fifty-two million, sixty-one thousand, six hundred four".