121270507 has 2 divisors, whose sum is σ = 121270508. Its totient is φ = 121270506.

The previous prime is 121270463. The next prime is 121270529. The reversal of 121270507 is 705072121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121270507 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121270577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60635253 + 60635254.

It is an arithmetic number, because the mean of its divisors is an integer number (60635254).

Almost surely, 2^121270507 is an apocalyptic number.

121270507 is a deficient number, since it is larger than the sum of its proper divisors (1).

121270507 is an equidigital number, since it uses as much as digits as its factorization.

121270507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 121270507 is about 11012.2889083060. The cubic root of 121270507 is about 494.9770516178.

The spelling of 121270507 in words is "one hundred twenty-one million, two hundred seventy thousand, five hundred seven".