117029642 has 4 divisors (see below), whose sum is σ = 175544466. Its totient is φ = 58514820.

The previous prime is 117029641. The next prime is 117029651. The reversal of 117029642 is 246920711.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84070561 + 32959081 = 9169^2 + 5741^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117029599 and 117029608.

It is not an unprimeable number, because it can be changed into a prime (117029641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29257409 + ... + 29257412.

Almost surely, 2^117029642 is an apocalyptic number.

117029642 is a deficient number, since it is larger than the sum of its proper divisors (58514824).

117029642 is an equidigital number, since it uses as much as digits as its factorization.

117029642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58514823.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 117029642 is about 10818.0239415524. The cubic root of 117029642 is about 489.1386255019.

The spelling of 117029642 in words is "one hundred seventeen million, twenty-nine thousand, six hundred forty-two".