122897765 has 8 divisors (see below), whose sum is σ = 149678880. Its totient is φ = 96850512.

The previous prime is 122897729. The next prime is 122897771. The reversal of 122897765 is 567798221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122897765 - 2⁶ = 122897701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183095 + ... + 183764.

It is an arithmetic number, because the mean of its divisors is an integer number (18709860).

Almost surely, 2^122897765 is an apocalyptic number.

It is an amenable number.

122897765 is a deficient number, since it is larger than the sum of its proper divisors (26781115).

122897765 is an equidigital number, since it uses as much as digits as its factorization.

122897765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366931.

The product of its digits is 423360, while the sum is 47.

The square root of 122897765 is about 11085.9264385075. The cubic root of 122897765 is about 497.1811581252.

The spelling of 122897765 in words is "one hundred twenty-two million, eight hundred ninety-seven thousand, seven hundred sixty-five".