1231470242 has 16 divisors (see below), whose sum is σ = 1957519872. Its totient is φ = 579024960.

The previous prime is 1231470217. The next prime is 1231470281. The reversal of 1231470242 is 2420741321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27143 + ... + 56565.

It is an arithmetic number, because the mean of its divisors is an integer number (122344992).

Almost surely, 2^1231470242 is an apocalyptic number.

1231470242 is a deficient number, since it is larger than the sum of its proper divisors (726049630).

1231470242 is a wasteful number, since it uses less digits than its factorization.

1231470242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30673.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1231470242 is about 35092.3102972717. The cubic root of 1231470242 is about 1071.8680043029.

The spelling of 1231470242 in words is "one billion, two hundred thirty-one million, four hundred seventy thousand, two hundred forty-two".