743162121 has 45 divisors (see below), whose sum is σ = 1207302789. Its totient is φ = 455367744.

The previous prime is 743162113. The next prime is 743162153. The reversal of 743162121 is 121261347.

743162121 = 1³ + 2³ + ... + 233³.

The square root of 743162121 is 27261.

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

743162121 is a `hidden beast` number, since 7 + 4 + 31 + 621 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 314672121 + 428490000 = 17739^2 + 20700^2 .

It is not a de Polignac number, because 743162121 - 2³ = 743162113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

Its product of digits (2016) is a multiple of the sum of its prime factors (504).

It is not an unprimeable number, because it can be changed into a prime (743162521) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3189421 + ... + 3189653.

Almost surely, 2^743162121 is an apocalyptic number.

743162121 is the 27261-st square number.

743162121 is the 13631-st centered octagonal number.

It is an amenable number.

743162121 is a deficient number, since it is larger than the sum of its proper divisors (464140668).

743162121 is an equidigital number, since it uses as much as digits as its factorization.

743162121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 249 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The cubic root of 743162121 is about 905.7906954771.

The spelling of 743162121 in words is "seven hundred forty-three million, one hundred sixty-two thousand, one hundred twenty-one".