121351267 has 16 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 113832000.

The previous prime is 121351261. The next prime is 121351313. The reversal of 121351267 is 762153121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-121351267 is a prime.

It is a super-2 number, since 2×121351267² = 29452260005010578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121351261) 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, 390042 + ... + 390352.

It is an arithmetic number, because the mean of its divisors is an integer number (8072064).

Almost surely, 2^121351267 is an apocalyptic number.

121351267 is a deficient number, since it is larger than the sum of its proper divisors (7801757).

121351267 is a wasteful number, since it uses less digits than its factorization.

121351267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 2520, while the sum is 28.

The square root of 121351267 is about 11015.9551106565. The cubic root of 121351267 is about 495.0869037639.

The spelling of 121351267 in words is "one hundred twenty-one million, three hundred fifty-one thousand, two hundred sixty-seven".