40122877 has 2 divisors, whose sum is σ = 40122878. Its totient is φ = 40122876.

The previous prime is 40122871. The next prime is 40122923. The reversal of 40122877 is 77822104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 15729156 = 4939^2 + 3966^2 .

It is a cyclic number.

It is not a de Polignac number, because 40122877 - 2¹⁹ = 39598589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40122871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20061438 + 20061439.

It is an arithmetic number, because the mean of its divisors is an integer number (20061439).

Almost surely, 2^40122877 is an apocalyptic number.

It is an amenable number.

40122877 is a deficient number, since it is larger than the sum of its proper divisors (1).

40122877 is an equidigital number, since it uses as much as digits as its factorization.

40122877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 40122877 is about 6334.2621511901. The cubic root of 40122877 is about 342.3450258796.

It can be divided in two parts, 4012 and 2877, that added together give a square (6889 = 83²).

The spelling of 40122877 in words is "forty million, one hundred twenty-two thousand, eight hundred seventy-seven".