117007421 has 2 divisors, whose sum is σ = 117007422. Its totient is φ = 117007420.

The previous prime is 117007409. The next prime is 117007433. The reversal of 117007421 is 124700711.

It is a balanced prime because it is at equal distance from previous prime (117007409) and next prime (117007433).

It can be written as a sum of positive squares in only one way, i.e., 116856100 + 151321 = 10810^2 + 389^2 .

It is a cyclic number.

It is not a de Polignac number, because 117007421 - 2²² = 112813117 is a prime.

It is a super-3 number, since 3×117007421³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117007021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58503710 + 58503711.

It is an arithmetic number, because the mean of its divisors is an integer number (58503711).

Almost surely, 2^117007421 is an apocalyptic number.

It is an amenable number.

117007421 is a deficient number, since it is larger than the sum of its proper divisors (1).

117007421 is an equidigital number, since it uses as much as digits as its factorization.

117007421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 117007421 is about 10816.9968567990. The cubic root of 117007421 is about 489.1076651481.

The spelling of 117007421 in words is "one hundred seventeen million, seven thousand, four hundred twenty-one".