1242613152 has 72 divisors (see below), whose sum is σ = 3854934720. Its totient is φ = 376548480.

The previous prime is 1242613139. The next prime is 1242613187. The reversal of 1242613152 is 2513162421.

1242613152 is a `hidden beast` number, since 1 + 2 + 42 + 613 + 1 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192952 + ... + 199287.

It is an arithmetic number, because the mean of its divisors is an integer number (53540760).

Almost surely, 2^1242613152 is an apocalyptic number.

1242613152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242613152 is an abundant number, since it is smaller than the sum of its proper divisors (2612321568).

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

1242613152 is a wasteful number, since it uses less digits than its factorization.

1242613152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392266 (or 392255 counting only the distinct ones).

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

The square root of 1242613152 is about 35250.7184607633. The cubic root of 1242613152 is about 1075.0912205267.

Adding to 1242613152 its reverse (2513162421), we get a palindrome (3755775573).

The spelling of 1242613152 in words is "one billion, two hundred forty-two million, six hundred thirteen thousand, one hundred fifty-two".