121237629 has 8 divisors (see below), whose sum is σ = 162923520. Its totient is φ = 80188416.

The previous prime is 121237609. The next prime is 121237631. The reversal of 121237629 is 926732121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121237629 - 2²¹ = 119140477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121237629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121237609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158724 + ... + 159485.

It is an arithmetic number, because the mean of its divisors is an integer number (20365440).

Almost surely, 2^121237629 is an apocalyptic number.

It is an amenable number.

121237629 is a deficient number, since it is larger than the sum of its proper divisors (41685891).

121237629 is a wasteful number, since it uses less digits than its factorization.

121237629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318339.

The product of its digits is 9072, while the sum is 33.

The square root of 121237629 is about 11010.7960202703. The cubic root of 121237629 is about 494.9323160186.

The spelling of 121237629 in words is "one hundred twenty-one million, two hundred thirty-seven thousand, six hundred twenty-nine".