121275436 has 6 divisors (see below), whose sum is σ = 212232020. Its totient is φ = 60637716.

The previous prime is 121275409. The next prime is 121275443. The reversal of 121275436 is 634572121.

It is a junction number, because it is equal to n+sod(n) for n = 121275398 and 121275407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15159426 + ... + 15159433.

Almost surely, 2^121275436 is an apocalyptic number.

It is an amenable number.

121275436 is a deficient number, since it is larger than the sum of its proper divisors (90956584).

121275436 is a wasteful number, since it uses less digits than its factorization.

121275436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30318863 (or 30318861 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 121275436 is about 11012.5127014683. The cubic root of 121275436 is about 494.9837575870.

The spelling of 121275436 in words is "one hundred twenty-one million, two hundred seventy-five thousand, four hundred thirty-six".