120653749 has 4 divisors (see below), whose sum is σ = 120769600. Its totient is φ = 120537900.

The previous prime is 120653723. The next prime is 120653759. The reversal of 120653749 is 947356021.

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 120653749 - 2¹⁹ = 120129461 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 (120653719) 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, 56349 + ... + 58450.

It is an arithmetic number, because the mean of its divisors is an integer number (30192400).

Almost surely, 2^120653749 is an apocalyptic number.

It is an amenable number.

120653749 is a deficient number, since it is larger than the sum of its proper divisors (115851).

120653749 is a wasteful number, since it uses less digits than its factorization.

120653749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115850.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 120653749 is about 10984.2500426747. The cubic root of 120653749 is about 494.1365063377.

The spelling of 120653749 in words is "one hundred twenty million, six hundred fifty-three thousand, seven hundred forty-nine".