40277121 has 4 divisors (see below), whose sum is σ = 53702832. Its totient is φ = 26851412.

The previous prime is 40277119. The next prime is 40277147. The reversal of 40277121 is 12177204.

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 40277121 - 2¹ = 40277119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40277091 and 40277100.

It is not an unprimeable number, because it can be changed into a prime (40277021) 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, 6712851 + ... + 6712856.

It is an arithmetic number, because the mean of its divisors is an integer number (13425708).

Almost surely, 2^40277121 is an apocalyptic number.

It is an amenable number.

40277121 is a deficient number, since it is larger than the sum of its proper divisors (13425711).

40277121 is a wasteful number, since it uses less digits than its factorization.

40277121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13425710.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 40277121 is about 6346.4258445207. The cubic root of 40277121 is about 342.7831561831.

The spelling of 40277121 in words is "forty million, two hundred seventy-seven thousand, one hundred twenty-one".