61128652 has 36 divisors (see below), whose sum is σ = 119614656. Its totient is φ = 27293760.

The previous prime is 61128647. The next prime is 61128653. The reversal of 61128652 is 25682116.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (61128653) 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, 19498 + ... + 22414.

Almost surely, 2^61128652 is an apocalyptic number.

61128652 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61128652 is a deficient number, since it is larger than the sum of its proper divisors (58486004).

61128652 is a wasteful number, since it uses less digits than its factorization.

61128652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978 (or 2963 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 61128652 is about 7818.4814382334. The cubic root of 61128652 is about 393.9262661888.

The spelling of 61128652 in words is "sixty-one million, one hundred twenty-eight thousand, six hundred fifty-two".