121646607 has 32 divisors (see below), whose sum is σ = 176843520. Its totient is φ = 74131200.

The previous prime is 121646599. The next prime is 121646617. The reversal of 121646607 is 706646121.

It is not a de Polignac number, because 121646607 - 2³ = 121646599 is a prime.

It is a super-2 number, since 2×121646607² = 29595793989224898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121646617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202107 + ... + 202707.

It is an arithmetic number, because the mean of its divisors is an integer number (5526360).

Almost surely, 2^121646607 is an apocalyptic number.

121646607 is a deficient number, since it is larger than the sum of its proper divisors (55196913).

121646607 is a wasteful number, since it uses less digits than its factorization.

121646607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 121646607 is about 11029.3520661914. The cubic root of 121646607 is about 495.4882194628.

The spelling of 121646607 in words is "one hundred twenty-one million, six hundred forty-six thousand, six hundred seven".