137072123 has 8 divisors (see below), whose sum is σ = 137960592. Its totient is φ = 136187136.

The previous prime is 137072113. The next prime is 137072167. The reversal of 137072123 is 321270731.

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-137072123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137072092 and 137072101.

It is not an unprimeable number, because it can be changed into a prime (137072113) 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, 139811 + ... + 140787.

It is an arithmetic number, because the mean of its divisors is an integer number (17245074).

Almost surely, 2^137072123 is an apocalyptic number.

137072123 is a deficient number, since it is larger than the sum of its proper divisors (888469).

137072123 is an equidigital number, since it uses as much as digits as its factorization.

137072123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 137072123 is about 11707.7804472069. The cubic root of 137072123 is about 515.6041209201.

The spelling of 137072123 in words is "one hundred thirty-seven million, seventy-two thousand, one hundred twenty-three".