1225970592 has 576 divisors, whose sum is σ = 4550515200. Its totient is φ = 284497920.

The previous prime is 1225970569. The next prime is 1225970663. The reversal of 1225970592 is 2950795221.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28510923 + ... + 28510965.

It is an arithmetic number, because the mean of its divisors is an integer number (7900200).

Almost surely, 2^1225970592 is an apocalyptic number.

1225970592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1225970592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275257600).

1225970592 is an abundant number, since it is smaller than the sum of its proper divisors (3324544608).

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

1225970592 is a wasteful number, since it uses less digits than its factorization.

1225970592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 1225970592 is about 35013.8628545895. The cubic root of 1225970592 is about 1070.2699967907.

The spelling of 1225970592 in words is "one billion, two hundred twenty-five million, nine hundred seventy thousand, five hundred ninety-two".