121102465 has 16 divisors (see below), whose sum is σ = 158754816. Its totient is φ = 87952000.

The previous prime is 121102459. The next prime is 121102469. The reversal of 121102465 is 564201121.

It is not a de Polignac number, because 121102465 - 2¹³ = 121094273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121102469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 62349 + ... + 64261.

It is an arithmetic number, because the mean of its divisors is an integer number (9922176).

Almost surely, 2^121102465 is an apocalyptic number.

It is an amenable number.

121102465 is a deficient number, since it is larger than the sum of its proper divisors (37652351).

121102465 is a wasteful number, since it uses less digits than its factorization.

121102465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 121102465 is about 11004.6565144033. The cubic root of 121102465 is about 494.7483194932.

Adding to 121102465 its reverse (564201121), we get a palindrome (685303586).

The spelling of 121102465 in words is "one hundred twenty-one million, one hundred two thousand, four hundred sixty-five".