101565130 has 8 divisors (see below), whose sum is σ = 182817252. Its totient is φ = 40626048.

The previous prime is 101565103. The next prime is 101565133. The reversal of 101565130 is 31565101.

It can be written as a sum of positive squares in 2 ways, for example, as 100460529 + 1104601 = 10023^2 + 1051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101565133) 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, 5078247 + ... + 5078266.

Almost surely, 2^101565130 is an apocalyptic number.

101565130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101565130 is a deficient number, since it is larger than the sum of its proper divisors (81252122).

101565130 is a wasteful number, since it uses less digits than its factorization.

101565130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156520.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 101565130 is about 10077.9526690692. The cubic root of 101565130 is about 466.5679218512.

The spelling of 101565130 in words is "one hundred one million, five hundred sixty-five thousand, one hundred thirty".