1254435942 has 24 divisors (see below), whose sum is σ = 2543775624. Its totient is φ = 412406784.

The previous prime is 1254435937. The next prime is 1254435961. The reversal of 1254435942 is 2495344521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254435942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12358 + ... + 51590.

It is an arithmetic number, because the mean of its divisors is an integer number (105990651).

Almost surely, 2^1254435942 is an apocalyptic number.

1254435942 is an abundant number, since it is smaller than the sum of its proper divisors (1289339682).

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

1254435942 is an equidigital number, since it uses as much as digits as its factorization.

1254435942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39384 (or 39311 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 1254435942 is about 35418.0171946426. The cubic root of 1254435942 is about 1078.4901002799.

The spelling of 1254435942 in words is "one billion, two hundred fifty-four million, four hundred thirty-five thousand, nine hundred forty-two".