1242962560 has 256 divisors, whose sum is σ = 3565658880. Its totient is φ = 405504000.

The previous prime is 1242962551. The next prime is 1242962579. The reversal of 1242962560 is 652692421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12306510 + ... + 12306610.

It is an arithmetic number, because the mean of its divisors is an integer number (13928355).

Almost surely, 2^1242962560 is an apocalyptic number.

1242962560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242962560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782829440).

1242962560 is an abundant number, since it is smaller than the sum of its proper divisors (2322696320).

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

1242962560 is a wasteful number, since it uses less digits than its factorization.

1242962560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1242962560 is about 35255.6741532480. The cubic root of 1242962560 is about 1075.1919786935.

The spelling of 1242962560 in words is "one billion, two hundred forty-two million, nine hundred sixty-two thousand, five hundred sixty".