1273642232 has 8 divisors (see below), whose sum is σ = 2388079200. Its totient is φ = 636821112.

The previous prime is 1273642229. The next prime is 1273642259. The reversal of 1273642232 is 2322463721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79602632 + ... + 79602647.

It is an arithmetic number, because the mean of its divisors is an integer number (298509900).

Almost surely, 2^1273642232 is an apocalyptic number.

It is an amenable number.

1273642232 is a deficient number, since it is larger than the sum of its proper divisors (1114436968).

1273642232 is a wasteful number, since it uses less digits than its factorization.

1273642232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159205285 (or 159205281 counting only the distinct ones).

The product of its digits is 24192, while the sum is 32.

The square root of 1273642232 is about 35688.1245234322. The cubic root of 1273642232 is about 1083.9663914817.

The spelling of 1273642232 in words is "one billion, two hundred seventy-three million, six hundred forty-two thousand, two hundred thirty-two".