120887477 has 2 divisors, whose sum is σ = 120887478. Its totient is φ = 120887476.

The previous prime is 120887467. The next prime is 120887521. The reversal of 120887477 is 774788021.

It is an a-pointer prime, because the next prime (120887521) can be obtained adding 120887477 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120318961 + 568516 = 10969^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 120887477 - 2⁴ = 120887461 is a prime.

It is a super-2 number, since 2×120887477² = 29227564190851058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120887467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60443738 + 60443739.

It is an arithmetic number, because the mean of its divisors is an integer number (60443739).

Almost surely, 2^120887477 is an apocalyptic number.

It is an amenable number.

120887477 is a deficient number, since it is larger than the sum of its proper divisors (1).

120887477 is an equidigital number, since it uses as much as digits as its factorization.

120887477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 175616, while the sum is 44.

The square root of 120887477 is about 10994.8841285391. The cubic root of 120887477 is about 494.4553776015.

The spelling of 120887477 in words is "one hundred twenty million, eight hundred eighty-seven thousand, four hundred seventy-seven".