1273059942 has 32 divisors (see below), whose sum is σ = 3174384384. Its totient is φ = 330664800.

The previous prime is 1273059923. The next prime is 1273059961. The reversal of 1273059942 is 2499503721.

It is an interprime number because it is at equal distance from previous prime (1273059923) and next prime (1273059961).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1273059894 and 1273059903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377309 + ... + 1378232.

It is an arithmetic number, because the mean of its divisors is an integer number (99199512).

Almost surely, 2^1273059942 is an apocalyptic number.

1273059942 is an abundant number, since it is smaller than the sum of its proper divisors (1901324442).

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

1273059942 is a wasteful number, since it uses less digits than its factorization.

1273059942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755564.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1273059942 is about 35679.9655549161. The cubic root of 1273059942 is about 1083.8011752779.

The spelling of 1273059942 in words is "one billion, two hundred seventy-three million, fifty-nine thousand, nine hundred forty-two".