121434039 has 16 divisors (see below), whose sum is σ = 180092640. Its totient is φ = 80870400.

The previous prime is 121434031. The next prime is 121434091. The reversal of 121434039 is 930434121.

It is not a de Polignac number, because 121434039 - 2³ = 121434031 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33399 + ... + 36855.

It is an arithmetic number, because the mean of its divisors is an integer number (11255790).

Almost surely, 2^121434039 is an apocalyptic number.

121434039 is a deficient number, since it is larger than the sum of its proper divisors (58658601).

121434039 is a wasteful number, since it uses less digits than its factorization.

121434039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767 (or 4761 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 121434039 is about 11019.7113846053. The cubic root of 121434039 is about 495.1994421290.

It can be divided in two parts, 1214 and 34039, that added together give a palindrome (35253).

The spelling of 121434039 in words is "one hundred twenty-one million, four hundred thirty-four thousand, thirty-nine".