121530695 has 32 divisors (see below), whose sum is σ = 176891904. Its totient is φ = 78940800.

The previous prime is 121530659. The next prime is 121530713. The reversal of 121530695 is 596035121.

It is not a de Polignac number, because 121530695 - 2¹⁸ = 121268551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19424 + ... + 24906.

It is an arithmetic number, because the mean of its divisors is an integer number (5527872).

Almost surely, 2^121530695 is an apocalyptic number.

121530695 is a deficient number, since it is larger than the sum of its proper divisors (55361209).

121530695 is a wasteful number, since it uses less digits than its factorization.

121530695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 121530695 is about 11024.0961080716. The cubic root of 121530695 is about 495.3307927346.

The spelling of 121530695 in words is "one hundred twenty-one million, five hundred thirty thousand, six hundred ninety-five".