1238401260 has 72 divisors (see below), whose sum is σ = 3818099376. Its totient is φ = 324823680.

The previous prime is 1238401249. The next prime is 1238401277. The reversal of 1238401260 is 621048321.

1238401260 is a `hidden beast` number, since 1 + 238 + 401 + 26 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45414 + ... + 67373.

It is an arithmetic number, because the mean of its divisors is an integer number (53029158).

Almost surely, 2^1238401260 is an apocalyptic number.

1238401260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1238401260 is an abundant number, since it is smaller than the sum of its proper divisors (2579698116).

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

1238401260 is a wasteful number, since it uses less digits than its factorization.

1238401260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112863 (or 112858 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1238401260 is about 35190.9258190233. The cubic root of 1238401260 is about 1073.8751558430.

Adding to 1238401260 its reverse (621048321), we get a palindrome (1859449581).

The spelling of 1238401260 in words is "one billion, two hundred thirty-eight million, four hundred one thousand, two hundred sixty".