1123025430 has 32 divisors (see below), whose sum is σ = 2732187744. Its totient is φ = 295370496.

The previous prime is 1123025339. The next prime is 1123025447. The reversal of 1123025430 is 345203211.

It is a super-2 number, since 2×1123025430² = 2522372232853369800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123025397 and 1123025406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254209 + ... + 258588.

It is an arithmetic number, because the mean of its divisors is an integer number (85380867).

Almost surely, 2^1123025430 is an apocalyptic number.

1123025430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123025430 is an abundant number, since it is smaller than the sum of its proper divisors (1609162314).

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

1123025430 is a wasteful number, since it uses less digits than its factorization.

1123025430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512880.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1123025430 is about 33511.5715835590. The cubic root of 1123025430 is about 1039.4330705702.

Adding to 1123025430 its reverse (345203211), we get a palindrome (1468228641).

The spelling of 1123025430 in words is "one billion, one hundred twenty-three million, twenty-five thousand, four hundred thirty".