61121153 has 8 divisors (see below), whose sum is σ = 61602336. Its totient is φ = 60642400.

The previous prime is 61121147. The next prime is 61121167. The reversal of 61121153 is 35112116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61121153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61121113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124238 + ... + 124728.

It is an arithmetic number, because the mean of its divisors is an integer number (7700292).

Almost surely, 2^61121153 is an apocalyptic number.

It is an amenable number.

61121153 is a deficient number, since it is larger than the sum of its proper divisors (481183).

61121153 is a wasteful number, since it uses less digits than its factorization.

61121153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 180, while the sum is 20.

The square root of 61121153 is about 7818.0018546941. The cubic root of 61121153 is about 393.9101571369.

Adding to 61121153 its reverse (35112116), we get a palindrome (96233269).

The spelling of 61121153 in words is "sixty-one million, one hundred twenty-one thousand, one hundred fifty-three".