121227507 has 12 divisors (see below), whose sum is σ = 175322784. Its totient is φ = 80718480.

The previous prime is 121227499. The next prime is 121227517. The reversal of 121227507 is 705722121.

It is not a de Polignac number, because 121227507 - 2³ = 121227499 is a prime.

It is a super-2 number, since 2×121227507² = 29392216906870098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121227517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (14610232).

Almost surely, 2^121227507 is an apocalyptic number.

121227507 is a deficient number, since it is larger than the sum of its proper divisors (54095277).

121227507 is a wasteful number, since it uses less digits than its factorization.

121227507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16650 (or 16647 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 121227507 is about 11010.3363708835. The cubic root of 121227507 is about 494.9185418453.

Adding to 121227507 its reverse (705722121), we get a palindrome (826949628).

The spelling of 121227507 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, five hundred seven".