120268028137 has 4 divisors (see below), whose sum is σ = 121790408320. Its totient is φ = 118745647956.

The previous prime is 120268028087. The next prime is 120268028149. The reversal of 120268028137 is 731820862021.

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 a cyclic number.

It is not a de Polignac number, because 120268028137 - 2²⁷ = 120133810409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120268028137.

It is not an unprimeable number, because it can be changed into a prime (120268008137) 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, 761189973 + ... + 761190130.

It is an arithmetic number, because the mean of its divisors is an integer number (30447602080).

Almost surely, 2^120268028137 is an apocalyptic number.

It is an amenable number.

120268028137 is a deficient number, since it is larger than the sum of its proper divisors (1522380183).

120268028137 is an equidigital number, since it uses as much as digits as its factorization.

120268028137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522380182.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 120268028137 in words is "one hundred twenty billion, two hundred sixty-eight million, twenty-eight thousand, one hundred thirty-seven".