120629109 has 4 divisors (see below), whose sum is σ = 160838816. Its totient is φ = 80419404.

The previous prime is 120629083. The next prime is 120629111. The reversal of 120629109 is 901926021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120629109 - 2²¹ = 118531957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120629209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20104849 + ... + 20104854.

It is an arithmetic number, because the mean of its divisors is an integer number (40209704).

Almost surely, 2^120629109 is an apocalyptic number.

It is an amenable number.

120629109 is a deficient number, since it is larger than the sum of its proper divisors (40209707).

120629109 is an equidigital number, since it uses as much as digits as its factorization.

120629109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40209706.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 120629109 is about 10983.1283794737. The cubic root of 120629109 is about 494.1028664038.

The spelling of 120629109 in words is "one hundred twenty million, six hundred twenty-nine thousand, one hundred nine".