123277001 has 4 divisors (see below), whose sum is σ = 126143952. Its totient is φ = 120410052.

The previous prime is 123276983. The next prime is 123277027. The reversal of 123277001 is 100772321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123277001 - 2²² = 119082697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123277061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433411 + ... + 1433496.

It is an arithmetic number, because the mean of its divisors is an integer number (31535988).

Almost surely, 2^123277001 is an apocalyptic number.

It is an amenable number.

123277001 is a deficient number, since it is larger than the sum of its proper divisors (2866951).

123277001 is an equidigital number, since it uses as much as digits as its factorization.

123277001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866950.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 123277001 is about 11103.0176528726. The cubic root of 123277001 is about 497.6920309496.

The spelling of 123277001 in words is "one hundred twenty-three million, two hundred seventy-seven thousand, one".