123261525039 has 8 divisors (see below), whose sum is σ = 165975915312. Its totient is φ = 81360742400.

The previous prime is 123261525029. The next prime is 123261525097. The reversal of 123261525039 is 930525162321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123261525039 is a prime.

It is a super-3 number, since 3×123261525039³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123261524988 and 123261525006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123261525029) 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, 203401554 + ... + 203402159.

It is an arithmetic number, because the mean of its divisors is an integer number (20746989414).

Almost surely, 2^123261525039 is an apocalyptic number.

123261525039 is a deficient number, since it is larger than the sum of its proper divisors (42714390273).

123261525039 is a wasteful number, since it uses less digits than its factorization.

123261525039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406803817.

The product of its (nonzero) digits is 97200, while the sum is 39.

It can be divided in two parts, 123 and 261525039, that added together give a palindrome (261525162).

The spelling of 123261525039 in words is "one hundred twenty-three billion, two hundred sixty-one million, five hundred twenty-five thousand, thirty-nine".