401240127 has 8 divisors (see below), whose sum is σ = 543757360. Its totient is φ = 263108160.

The previous prime is 401240123. The next prime is 401240141. The reversal of 401240127 is 721042104.

It is a happy number.

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

It is not a de Polignac number, because 401240127 - 2² = 401240123 is a prime.

It is a super-2 number, since 2×401240127² = 321987279029952258, 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 (401240123) 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, 1096102 + ... + 1096467.

It is an arithmetic number, because the mean of its divisors is an integer number (67969670).

Almost surely, 2^401240127 is an apocalyptic number.

401240127 is a deficient number, since it is larger than the sum of its proper divisors (142517233).

401240127 is a wasteful number, since it uses less digits than its factorization.

401240127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192633.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 401240127 is about 20030.9791822567. The cubic root of 401240127 is about 737.5669586625.

The spelling of 401240127 in words is "four hundred one million, two hundred forty thousand, one hundred twenty-seven".