1252572620 has 48 divisors (see below), whose sum is σ = 2836215648. Its totient is φ = 461921280.

The previous prime is 1252572547. The next prime is 1252572637. The reversal of 1252572620 is 262752521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251555 + ... + 256485.

It is an arithmetic number, because the mean of its divisors is an integer number (59087826).

Almost surely, 2^1252572620 is an apocalyptic number.

1252572620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252572620 is an abundant number, since it is smaller than the sum of its proper divisors (1583643028).

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

1252572620 is a wasteful number, since it uses less digits than its factorization.

1252572620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930 (or 5928 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1252572620 is about 35391.7026999267. The cubic root of 1252572620 is about 1077.9558441830.

The spelling of 1252572620 in words is "one billion, two hundred fifty-two million, five hundred seventy-two thousand, six hundred twenty".