1542127252 has 6 divisors (see below), whose sum is σ = 2698722698. Its totient is φ = 771063624.

The previous prime is 1542127231. The next prime is 1542127261. The reversal of 1542127252 is 2527212451.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1486565136 + 55562116 = 38556^2 + 7454^2 .

It is a super-2 number, since 2×1542127252² = 4756312922722143008, which contains 22 as substring.

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, 192765903 + ... + 192765910.

Almost surely, 2^1542127252 is an apocalyptic number.

It is an amenable number.

1542127252 is a deficient number, since it is larger than the sum of its proper divisors (1156595446).

1542127252 is a wasteful number, since it uses less digits than its factorization.

1542127252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385531817 (or 385531815 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 1542127252 is about 39269.9280875328. The cubic root of 1542127252 is about 1155.3318267239.

The spelling of 1542127252 in words is "one billion, five hundred forty-two million, one hundred twenty-seven thousand, two hundred fifty-two".