1172217498 has 16 divisors (see below), whose sum is σ = 2407798560. Its totient is φ = 380178576.

The previous prime is 1172217457. The next prime is 1172217509. The reversal of 1172217498 is 8947122711.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639908 + ... + 2640351.

It is an arithmetic number, because the mean of its divisors is an integer number (150487410).

Almost surely, 2^1172217498 is an apocalyptic number.

1172217498 is an abundant number, since it is smaller than the sum of its proper divisors (1235581062).

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

1172217498 is a wasteful number, since it uses less digits than its factorization.

1172217498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280301.

The product of its digits is 56448, while the sum is 42.

The square root of 1172217498 is about 34237.6619820922. The cubic root of 1172217498 is about 1054.3935323785.

The spelling of 1172217498 in words is "one billion, one hundred seventy-two million, two hundred seventeen thousand, four hundred ninety-eight".