741218121 has 40 divisors (see below), whose sum is σ = 1286936640. Its totient is φ = 416355552.

The previous prime is 741218113. The next prime is 741218141. The reversal of 741218121 is 121812147.

It is not a de Polignac number, because 741218121 - 2³ = 741218113 is a prime.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741218111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22375 + ... + 44531.

It is an arithmetic number, because the mean of its divisors is an integer number (32173416).

Almost surely, 2^741218121 is an apocalyptic number.

It is an amenable number.

741218121 is a deficient number, since it is larger than the sum of its proper divisors (545718519).

741218121 is a wasteful number, since it uses less digits than its factorization.

741218121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22235 (or 22226 counting only the distinct ones).

The product of its digits is 896, while the sum is 27.

The square root of 741218121 is about 27225.3213204179. The cubic root of 741218121 is about 905.0002018660. Note that the first 3 decimals are identical.

The spelling of 741218121 in words is "seven hundred forty-one million, two hundred eighteen thousand, one hundred twenty-one".