1115122470 has 128 divisors (see below), whose sum is σ = 3408003072. Its totient is φ = 226761600.

The previous prime is 1115122457. The next prime is 1115122493. The reversal of 1115122470 is 742215111.

It is a self number, because there is not a number n which added to its sum of digits gives 1115122470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 103435 + ... + 113705.

It is an arithmetic number, because the mean of its divisors is an integer number (26625024).

Almost surely, 2^1115122470 is an apocalyptic number.

1115122470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115122470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704001536).

1115122470 is an abundant number, since it is smaller than the sum of its proper divisors (2292880602).

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

1115122470 is a wasteful number, since it uses less digits than its factorization.

1115122470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1115122470 is about 33393.4495073510. The cubic root of 1115122470 is about 1036.9890941714.

Adding to 1115122470 its reverse (742215111), we get a palindrome (1857337581).

The spelling of 1115122470 in words is "one billion, one hundred fifteen million, one hundred twenty-two thousand, four hundred seventy".