61416123 has 4 divisors (see below), whose sum is σ = 81888168. Its totient is φ = 40944080.

The previous prime is 61416107. The next prime is 61416139. The reversal of 61416123 is 32161416.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61416107) and next prime (61416139).

It is a cyclic number.

It is not a de Polignac number, because 61416123 - 2⁴ = 61416107 is a prime.

It is a super-2 number, since 2×61416123² = 7543880328702258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61416093 and 61416102.

It is not an unprimeable number, because it can be changed into a prime (61416193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10236018 + ... + 10236023.

It is an arithmetic number, because the mean of its divisors is an integer number (20472042).

Almost surely, 2^61416123 is an apocalyptic number.

61416123 is a deficient number, since it is larger than the sum of its proper divisors (20472045).

61416123 is a wasteful number, since it uses less digits than its factorization.

61416123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20472044.

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

The square root of 61416123 is about 7836.8439438335. The cubic root of 61416123 is about 394.5428091711.

Adding to 61416123 its reverse (32161416), we get a palindrome (93577539).

The spelling of 61416123 in words is "sixty-one million, four hundred sixteen thousand, one hundred twenty-three".