1002552142 has 8 divisors (see below), whose sum is σ = 1504179432. Its totient is φ = 501159000.

The previous prime is 1002552113. The next prime is 1002552149. The reversal of 1002552142 is 2412552001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1002552142² = 2010221594857576328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002552149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47409 + ... + 65212.

It is an arithmetic number, because the mean of its divisors is an integer number (188022429).

Almost surely, 2^1002552142 is an apocalyptic number.

1002552142 is a deficient number, since it is larger than the sum of its proper divisors (501627290).

1002552142 is a wasteful number, since it uses less digits than its factorization.

1002552142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117074.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1002552142 is about 31663.1037960589. The cubic root of 1002552142 is about 1000.8499913101.

The spelling of 1002552142 in words is "one billion, two million, five hundred fifty-two thousand, one hundred forty-two".