1117235421 has 6 divisors (see below), whose sum is σ = 1613784510. Its totient is φ = 744823608.

The previous prime is 1117235377. The next prime is 1117235429. The reversal of 1117235421 is 1245327111.

1117235421 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 235 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1086032025 + 31203396 = 32955^2 + 5586^2 .

It is not a de Polignac number, because 1117235421 - 2¹⁰ = 1117234397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117235429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62068626 + ... + 62068643.

It is an arithmetic number, because the mean of its divisors is an integer number (268964085).

Almost surely, 2^1117235421 is an apocalyptic number.

It is an amenable number.

1117235421 is a deficient number, since it is larger than the sum of its proper divisors (496549089).

1117235421 is a wasteful number, since it uses less digits than its factorization.

1117235421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124137275 (or 124137272 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1117235421 is about 33425.0717426306. The cubic root of 1117235421 is about 1037.6436484896.

The spelling of 1117235421 in words is "one billion, one hundred seventeen million, two hundred thirty-five thousand, four hundred twenty-one".