35973121 has 4 divisors (see below), whose sum is σ = 36034992. Its totient is φ = 35911252.

The previous prime is 35973109. The next prime is 35973149. The reversal of 35973121 is 12137953.

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 a cyclic number.

It is not a de Polignac number, because 35973121 - 2⁵ = 35973089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35973151) 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, 30055 + ... + 31228.

It is an arithmetic number, because the mean of its divisors is an integer number (9008748).

Almost surely, 2^35973121 is an apocalyptic number.

It is an amenable number.

35973121 is a deficient number, since it is larger than the sum of its proper divisors (61871).

35973121 is an equidigital number, since it uses as much as digits as its factorization.

35973121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61870.

The product of its digits is 5670, while the sum is 31.

The square root of 35973121 is about 5997.7596650750. The cubic root of 35973121 is about 330.1105261854.

The spelling of 35973121 in words is "thirty-five million, nine hundred seventy-three thousand, one hundred twenty-one".