120949571 has 4 divisors (see below), whose sum is σ = 126208272. Its totient is φ = 115690872.

The previous prime is 120949567. The next prime is 120949579. The reversal of 120949571 is 175949021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120949571 - 2² = 120949567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120949579) 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, 2629316 + ... + 2629361.

It is an arithmetic number, because the mean of its divisors is an integer number (31552068).

Almost surely, 2^120949571 is an apocalyptic number.

120949571 is a deficient number, since it is larger than the sum of its proper divisors (5258701).

120949571 is an equidigital number, since it uses as much as digits as its factorization.

120949571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258700.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 120949571 is about 10997.7075338454. The cubic root of 120949571 is about 494.5400223131.

The spelling of 120949571 in words is "one hundred twenty million, nine hundred forty-nine thousand, five hundred seventy-one".