120957549 has 4 divisors (see below), whose sum is σ = 161276736. Its totient is φ = 80638364.

The previous prime is 120957547. The next prime is 120957583. The reversal of 120957549 is 945759021.

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 120957549 - 2¹ = 120957547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120957549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120957547) 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, 20159589 + ... + 20159594.

It is an arithmetic number, because the mean of its divisors is an integer number (40319184).

Almost surely, 2^120957549 is an apocalyptic number.

It is an amenable number.

120957549 is a deficient number, since it is larger than the sum of its proper divisors (40319187).

120957549 is an equidigital number, since it uses as much as digits as its factorization.

120957549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40319186.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 120957549 is about 10998.0702398193. The cubic root of 120957549 is about 494.5508955873.

The spelling of 120957549 in words is "one hundred twenty million, nine hundred fifty-seven thousand, five hundred forty-nine".