123502261 has 8 divisors (see below), whose sum is σ = 130224800. Its totient is φ = 116802000.

The previous prime is 123502259. The next prime is 123502277. The reversal of 123502261 is 162205321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123502261 - 2¹ = 123502259 is a prime.

It is a super-2 number, since 2×123502261² = 30505616944224242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123502231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6511 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (16278100).

Almost surely, 2^123502261 is an apocalyptic number.

It is an amenable number.

123502261 is a deficient number, since it is larger than the sum of its proper divisors (6722539).

123502261 is a wasteful number, since it uses less digits than its factorization.

123502261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 123502261 is about 11113.1571121801. The cubic root of 123502261 is about 497.9949852454.

Adding to 123502261 its reverse (162205321), we get a palindrome (285707582).

The spelling of 123502261 in words is "one hundred twenty-three million, five hundred two thousand, two hundred sixty-one".