123612465 has 16 divisors (see below), whose sum is σ = 206379648. Its totient is φ = 63060096.

The previous prime is 123612421. The next prime is 123612509. The reversal of 123612465 is 564216321.

It is an interprime number because it is at equal distance from previous prime (123612421) and next prime (123612509).

It is not a de Polignac number, because 123612465 - 2¹² = 123608369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178804 + ... + 179493.

It is an arithmetic number, because the mean of its divisors is an integer number (12898728).

Almost surely, 2^123612465 is an apocalyptic number.

123612465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123612465 is a deficient number, since it is larger than the sum of its proper divisors (82767183).

123612465 is a wasteful number, since it uses less digits than its factorization.

123612465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358328.

The product of its digits is 8640, while the sum is 30.

The square root of 123612465 is about 11118.1142735628. The cubic root of 123612465 is about 498.1430654590.

Adding to 123612465 its reverse (564216321), we get a palindrome (687828786).

The spelling of 123612465 in words is "one hundred twenty-three million, six hundred twelve thousand, four hundred sixty-five".