1217075452 has 24 divisors (see below), whose sum is σ = 2244507552. Its totient is φ = 576312000.

The previous prime is 1217075449. The next prime is 1217075467. The reversal of 1217075452 is 2545707121.

It is a super-2 number, since 2×1217075452² = 2962545311722008608, which contains 22 as substring.

It is a congruent number.

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, 56199 + ... + 74782.

It is an arithmetic number, because the mean of its divisors is an integer number (93521148).

Almost surely, 2^1217075452 is an apocalyptic number.

It is an amenable number.

1217075452 is a deficient number, since it is larger than the sum of its proper divisors (1027432100).

1217075452 is a wasteful number, since it uses less digits than its factorization.

1217075452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131109 (or 131107 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 1217075452 is about 34886.6084909382. The cubic root of 1217075452 is about 1067.6752310118.

The spelling of 1217075452 in words is "one billion, two hundred seventeen million, seventy-five thousand, four hundred fifty-two".