121002434 has 16 divisors (see below), whose sum is σ = 209271168. Its totient is φ = 51398592.

The previous prime is 121002433. The next prime is 121002457. The reversal of 121002434 is 434200121.

It is not an unprimeable number, because it can be changed into a prime (121002433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36662 + ... + 39825.

It is an arithmetic number, because the mean of its divisors is an integer number (13079448).

Almost surely, 2^121002434 is an apocalyptic number.

121002434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121002434 is a deficient number, since it is larger than the sum of its proper divisors (88268734).

121002434 is a wasteful number, since it uses less digits than its factorization.

121002434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76609.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 121002434 is about 11000.1106358073. The cubic root of 121002434 is about 494.6120607701.

Adding to 121002434 its reverse (434200121), we get a palindrome (555202555).

The spelling of 121002434 in words is "one hundred twenty-one million, two thousand, four hundred thirty-four".