121675477 has 40 divisors (see below), whose sum is σ = 164564352. Its totient is φ = 88905600.

The previous prime is 121675447. The next prime is 121675481. The reversal of 121675477 is 774576121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-121675477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121675447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 448852 + ... + 449122.

Almost surely, 2^121675477 is an apocalyptic number.

121675477 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121675477 is a deficient number, since it is larger than the sum of its proper divisors (42888875).

121675477 is an equidigital number, since it uses as much as digits as its factorization.

121675477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 306 counting only the distinct ones).

The product of its digits is 82320, while the sum is 40.

The square root of 121675477 is about 11030.6607689657. The cubic root of 121675477 is about 495.5274139069.

The spelling of 121675477 in words is "one hundred twenty-one million, six hundred seventy-five thousand, four hundred seventy-seven".