122790269 has 16 divisors (see below), whose sum is σ = 151113600. Its totient is φ = 97373184.

The previous prime is 122790259. The next prime is 122790281. The reversal of 122790269 is 962097221.

It is a cyclic number.

It is not a de Polignac number, because 122790269 - 2¹² = 122786173 is a prime.

It is a super-2 number, since 2×122790269² = 30154900322184722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122790209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1724 + ... + 15765.

It is an arithmetic number, because the mean of its divisors is an integer number (9444600).

Almost surely, 2^122790269 is an apocalyptic number.

It is an amenable number.

122790269 is a deficient number, since it is larger than the sum of its proper divisors (28323331).

122790269 is a wasteful number, since it uses less digits than its factorization.

122790269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17572.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 122790269 is about 11081.0770685886. The cubic root of 122790269 is about 497.0361579951.

The spelling of 122790269 in words is "one hundred twenty-two million, seven hundred ninety thousand, two hundred sixty-nine".