121148577 has 12 divisors (see below), whose sum is σ = 190900944. Its totient is φ = 73423320.

The previous prime is 121148569. The next prime is 121148581. The reversal of 121148577 is 775841121.

It is not a de Polignac number, because 121148577 - 2³ = 121148569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121148597) 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, 611763 + ... + 611960.

It is an arithmetic number, because the mean of its divisors is an integer number (15908412).

Almost surely, 2^121148577 is an apocalyptic number.

It is an amenable number.

121148577 is a deficient number, since it is larger than the sum of its proper divisors (69752367).

121148577 is a wasteful number, since it uses less digits than its factorization.

121148577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223740 (or 1223737 counting only the distinct ones).

The product of its digits is 15680, while the sum is 36.

The square root of 121148577 is about 11006.7514281008. The cubic root of 121148577 is about 494.8111063779.

Adding to 121148577 its reverse (775841121), we get a palindrome (896989698).

The spelling of 121148577 in words is "one hundred twenty-one million, one hundred forty-eight thousand, five hundred seventy-seven".