1230551442 has 12 divisors (see below), whose sum is σ = 2666194830. Its totient is φ = 410183808.

The previous prime is 1230551429. The next prime is 1230551453. The reversal of 1230551442 is 2441550321.

It can be written as a sum of positive squares in only one way, i.e., 1127549241 + 103002201 = 33579^2 + 10149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34181967 + ... + 34182002.

Almost surely, 2^1230551442 is an apocalyptic number.

1230551442 is an abundant number, since it is smaller than the sum of its proper divisors (1435643388).

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

1230551442 is a wasteful number, since it uses less digits than its factorization.

1230551442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68363977 (or 68363974 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1230551442 is about 35079.2166674229. The cubic root of 1230551442 is about 1071.6013643906.

The spelling of 1230551442 in words is "one billion, two hundred thirty million, five hundred fifty-one thousand, four hundred forty-two".