121031269 has 2 divisors, whose sum is σ = 121031270. Its totient is φ = 121031268.

The previous prime is 121031237. The next prime is 121031321. The reversal of 121031269 is 962130121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120450625 + 580644 = 10975^2 + 762^2 .

It is an emirp because it is prime and its reverse (962130121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121031269 - 2⁵ = 121031237 is a prime.

It is a super-2 number, since 2×121031269² = 29297136151500722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121031219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515634 + 60515635.

It is an arithmetic number, because the mean of its divisors is an integer number (60515635).

Almost surely, 2^121031269 is an apocalyptic number.

It is an amenable number.

121031269 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031269 is an equidigital number, since it uses as much as digits as its factorization.

121031269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 121031269 is about 11001.4212263689. The cubic root of 121031269 is about 494.6513464978.

The spelling of 121031269 in words is "one hundred twenty-one million, thirty-one thousand, two hundred sixty-nine".