120913449 has 4 divisors (see below), whose sum is σ = 161217936. Its totient is φ = 80608964.

The previous prime is 120913421. The next prime is 120913453. The reversal of 120913449 is 944319021.

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 a cyclic number.

It is not a de Polignac number, because 120913449 - 2⁵ = 120913417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120913489) 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, 20152239 + ... + 20152244.

It is an arithmetic number, because the mean of its divisors is an integer number (40304484).

Almost surely, 2^120913449 is an apocalyptic number.

It is an amenable number.

120913449 is a deficient number, since it is larger than the sum of its proper divisors (40304487).

120913449 is an equidigital number, since it uses as much as digits as its factorization.

120913449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40304486.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 120913449 is about 10996.0651598651. The cubic root of 120913449 is about 494.4907853923.

The spelling of 120913449 in words is "one hundred twenty million, nine hundred thirteen thousand, four hundred forty-nine".