1512142742 has 16 divisors (see below), whose sum is σ = 2516356800. Its totient is φ = 675687240.

The previous prime is 1512142733. The next prime is 1512142747. The reversal of 1512142742 is 2472412151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512142747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581192 + ... + 583787.

It is an arithmetic number, because the mean of its divisors is an integer number (157272300).

Almost surely, 2^1512142742 is an apocalyptic number.

1512142742 is a deficient number, since it is larger than the sum of its proper divisors (1004214058).

1512142742 is a wasteful number, since it uses less digits than its factorization.

1512142742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165051.

The product of its digits is 4480, while the sum is 29.

The square root of 1512142742 is about 38886.2796111945. The cubic root of 1512142742 is about 1147.7948269955.

Adding to 1512142742 its reverse (2472412151), we get a palindrome (3984554893).

The spelling of 1512142742 in words is "one billion, five hundred twelve million, one hundred forty-two thousand, seven hundred forty-two".