61121634 has 32 divisors (see below), whose sum is σ = 142002816. Its totient is φ = 17176320.

The previous prime is 61121569. The next prime is 61121663. The reversal of 61121634 is 43612116.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9367 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (4437588).

Almost surely, 2^61121634 is an apocalyptic number.

61121634 is an abundant number, since it is smaller than the sum of its proper divisors (80881182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61121634 is a wasteful number, since it uses less digits than its factorization.

61121634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23930.

The product of its digits is 864, while the sum is 24.

The square root of 61121634 is about 7818.0326169696. The cubic root of 61121634 is about 393.9111904414.

The spelling of 61121634 in words is "sixty-one million, one hundred twenty-one thousand, six hundred thirty-four".