101973153 has 4 divisors (see below), whose sum is σ = 135964208. Its totient is φ = 67982100.

The previous prime is 101973143. The next prime is 101973173. The reversal of 101973153 is 351379101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101973153 - 2²⁴ = 85195937 is a prime.

It is a super-2 number, since 2×101973153² = 20797047865522818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101973153.

It is not an unprimeable number, because it can be changed into a prime (101973143) 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, 16995523 + ... + 16995528.

It is an arithmetic number, because the mean of its divisors is an integer number (33991052).

Almost surely, 2^101973153 is an apocalyptic number.

It is an amenable number.

101973153 is a deficient number, since it is larger than the sum of its proper divisors (33991055).

101973153 is an equidigital number, since it uses as much as digits as its factorization.

101973153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33991054.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 101973153 is about 10098.1757263379. The cubic root of 101973153 is about 467.1918764250.

The spelling of 101973153 in words is "one hundred one million, nine hundred seventy-three thousand, one hundred fifty-three".