1230172400 has 60 divisors (see below), whose sum is σ = 3011305032. Its totient is φ = 482776320.

The previous prime is 1230172397. The next prime is 1230172403. The reversal of 1230172400 is 42710321.

It is an interprime number because it is at equal distance from previous prime (1230172397) and next prime (1230172403).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230172403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7814 + ... + 50213.

Almost surely, 2^1230172400 is an apocalyptic number.

1230172400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230172400 is an abundant number, since it is smaller than the sum of its proper divisors (1781132632).

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

1230172400 is a wasteful number, since it uses less digits than its factorization.

1230172400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58098 (or 58087 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1230172400 is about 35073.8135936200. The cubic root of 1230172400 is about 1071.4913260175.

Adding to 1230172400 its reverse (42710321), we get a palindrome (1272882721).

The spelling of 1230172400 in words is "one billion, two hundred thirty million, one hundred seventy-two thousand, four hundred".