1117245654 has 96 divisors (see below), whose sum is σ = 2957520384. Its totient is φ = 297855360.

The previous prime is 1117245641. The next prime is 1117245667. The reversal of 1117245654 is 4565427111.

It is an interprime number because it is at equal distance from previous prime (1117245641) and next prime (1117245667).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114117 + ... + 123519.

It is an arithmetic number, because the mean of its divisors is an integer number (30807504).

Almost surely, 2^1117245654 is an apocalyptic number.

1117245654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117245654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478760192).

1117245654 is an abundant number, since it is smaller than the sum of its proper divisors (1840274730).

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

1117245654 is a wasteful number, since it uses less digits than its factorization.

1117245654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9482 (or 9479 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 1117245654 is about 33425.2248159979. The cubic root of 1117245654 is about 1037.6468164805.

The spelling of 1117245654 in words is "one billion, one hundred seventeen million, two hundred forty-five thousand, six hundred fifty-four".