741770510121 has 9 divisors (see below), whose sum is σ = 1071450024541. Its totient is φ = 494511950892.

The previous prime is 741770510111. The next prime is 741770510141. The reversal of 741770510121 is 121015077147.

The square root of 741770510121 is 861261.

It is a perfect power (a square), and thus also a powerful number.

741770510121 is a `hidden beast` number, since 7 + 4 + 17 + 7 + 0 + 510 + 121 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 741770510121 - 2³¹ = 739623026473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741770510111) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2440240 + ... + 2727326.

Almost surely, 2^741770510121 is an apocalyptic number.

741770510121 is the 861261-st square number.

741770510121 is the 430631-st centered octagonal number.

It is an amenable number.

741770510121 is a deficient number, since it is larger than the sum of its proper divisors (329679514420).

741770510121 is an frugal number, since it uses more digits than its factorization.

741770510121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574180 (or 287090 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

Multiplying 741770510121 by its sum of digits (36), we get a square (26703738364356 = 5167566²).

Adding to 741770510121 its reverse (121015077147), we get a palindrome (862785587268).

The spelling of 741770510121 in words is "seven hundred forty-one billion, seven hundred seventy million, five hundred ten thousand, one hundred twenty-one".