61120146 has 16 divisors (see below), whose sum is σ = 123175008. Its totient is φ = 20217600.

The previous prime is 61120141. The next prime is 61120181. The reversal of 61120146 is 64102116.

61120146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61120146² = 7471344494122632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61120141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38095 + ... + 39666.

It is an arithmetic number, because the mean of its divisors is an integer number (7698438).

Almost surely, 2^61120146 is an apocalyptic number.

61120146 is an abundant number, since it is smaller than the sum of its proper divisors (62054862).

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

61120146 is a wasteful number, since it uses less digits than its factorization.

61120146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77897.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 61120146 is about 7817.9374517836. The cubic root of 61120146 is about 393.9079938395.

The spelling of 61120146 in words is "sixty-one million, one hundred twenty thousand, one hundred forty-six".