121577674 has 4 divisors (see below), whose sum is σ = 182366514. Its totient is φ = 60788836.

The previous prime is 121577663. The next prime is 121577683. The reversal of 121577674 is 476775121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476775121 = 53 ⋅8995757.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 48902049 = 8525^2 + 6993^2 .

It is a super-2 number, since 2×121577674² = 29562261630500552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30394417 + ... + 30394420.

Almost surely, 2^121577674 is an apocalyptic number.

121577674 is a deficient number, since it is larger than the sum of its proper divisors (60788840).

121577674 is an equidigital number, since it uses as much as digits as its factorization.

121577674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60788839.

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

The square root of 121577674 is about 11026.2266437798. The cubic root of 121577674 is about 495.3946096645.

The spelling of 121577674 in words is "one hundred twenty-one million, five hundred seventy-seven thousand, six hundred seventy-four".