1252608111 has 16 divisors (see below), whose sum is σ = 1860359520. Its totient is φ = 832982400.

The previous prime is 1252608061. The next prime is 1252608113. The reversal of 1252608111 is 1118062521.

1252608111 is a `hidden beast` number, since 1 + 2 + 52 + 608 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 1252608111 - 2⁶ = 1252608047 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252608113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47020 + ... + 68673.

It is an arithmetic number, because the mean of its divisors is an integer number (116272470).

Almost surely, 2^1252608111 is an apocalyptic number.

1252608111 is a deficient number, since it is larger than the sum of its proper divisors (607751409).

1252608111 is a wasteful number, since it uses less digits than its factorization.

1252608111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116103 (or 116097 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 1252608111 is about 35392.2040992081. The cubic root of 1252608111 is about 1077.9660251947.

The spelling of 1252608111 in words is "one billion, two hundred fifty-two million, six hundred eight thousand, one hundred eleven".