123012071 has 8 divisors (see below), whose sum is σ = 151399584. Its totient is φ = 97328160.

The previous prime is 123012053. The next prime is 123012083. The reversal of 123012071 is 170210321.

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 123012071 - 2¹⁴ = 122995687 is a prime.

It is a super-2 number, since 2×123012071² = 30263939223418082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012271) 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, 675800 + ... + 675981.

It is an arithmetic number, because the mean of its divisors is an integer number (18924948).

Almost surely, 2^123012071 is an apocalyptic number.

123012071 is a deficient number, since it is larger than the sum of its proper divisors (28387513).

123012071 is a wasteful number, since it uses less digits than its factorization.

123012071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351801.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 123012071 is about 11091.0806957663. The cubic root of 123012071 is about 497.3352514599.

Adding to 123012071 its reverse (170210321), we get a palindrome (293222392).

The spelling of 123012071 in words is "one hundred twenty-three million, twelve thousand, seventy-one".