61122567 has 16 divisors (see below), whose sum is σ = 89263872. Its totient is φ = 36894720.

The previous prime is 61122553. The next prime is 61122571. The reversal of 61122567 is 76522116.

It is a de Polignac number, because none of the positive numbers 2^k-61122567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61122527) by changing a digit.

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, 4878 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (5578992).

Almost surely, 2^61122567 is an apocalyptic number.

61122567 is a deficient number, since it is larger than the sum of its proper divisors (28141305).

61122567 is a wasteful number, since it uses less digits than its factorization.

61122567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478.

The product of its digits is 5040, while the sum is 30.

The square root of 61122567 is about 7818.0922864852. The cubic root of 61122567 is about 393.9131947360.

The spelling of 61122567 in words is "sixty-one million, one hundred twenty-two thousand, five hundred sixty-seven".