101053642 has 16 divisors (see below), whose sum is σ = 152984520. Its totient is φ = 50061312.

The previous prime is 101053633. The next prime is 101053657. The reversal of 101053642 is 246350101.

It can be written as a sum of positive squares in 4 ways, for example, as 53567761 + 47485881 = 7319^2 + 6891^2 .

It is a super-2 number, since 2×101053642² = 20423677122928328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149818 + ... + 150490.

Almost surely, 2^101053642 is an apocalyptic number.

101053642 is a deficient number, since it is larger than the sum of its proper divisors (51930878).

101053642 is a wasteful number, since it uses less digits than its factorization.

101053642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 101053642 is about 10052.5440561084. The cubic root of 101053642 is about 465.7833821637.

The spelling of 101053642 in words is "one hundred one million, fifty-three thousand, six hundred forty-two".