1254012042 has 16 divisors (see below), whose sum is σ = 2508583680. Its totient is φ = 417910752.

The previous prime is 1254012037. The next prime is 1254012059. The reversal of 1254012042 is 2402104521.

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, 9334 + ... + 50942.

It is an arithmetic number, because the mean of its divisors is an integer number (156786480).

Almost surely, 2^1254012042 is an apocalyptic number.

1254012042 is an abundant number, since it is smaller than the sum of its proper divisors (1254571638).

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

1254012042 is a wasteful number, since it uses less digits than its factorization.

1254012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46637.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1254012042 is about 35412.0324466134. The cubic root of 1254012042 is about 1078.3686051803.

Adding to 1254012042 its reverse (2402104521), we get a palindrome (3656116563).

The spelling of 1254012042 in words is "one billion, two hundred fifty-four million, twelve thousand, forty-two".