171262242 has 32 divisors (see below), whose sum is σ = 381144960. Its totient is φ = 57003120.

The previous prime is 171262213. The next prime is 171262271. The reversal of 171262242 is 242262171.

It is an interprime number because it is at equal distance from previous prime (171262213) and next prime (171262271).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42403 + ... + 46265.

It is an arithmetic number, because the mean of its divisors is an integer number (11910780).

Almost surely, 2^171262242 is an apocalyptic number.

171262242 is an abundant number, since it is smaller than the sum of its proper divisors (209882718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171262242 is a wasteful number, since it uses less digits than its factorization.

171262242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4689 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 171262242 is about 13086.7200627201. The cubic root of 171262242 is about 555.3335029890. Note that the first 3 decimals are identical.

The spelling of 171262242 in words is "one hundred seventy-one million, two hundred sixty-two thousand, two hundred forty-two".