1172445130 has 8 divisors (see below), whose sum is σ = 2110401252. Its totient is φ = 468978048.

The previous prime is 1172445121. The next prime is 1172445133. The reversal of 1172445130 is 315442711.

It can be written as a sum of positive squares in 2 ways, for example, as 1094352561 + 78092569 = 33081^2 + 8837^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1172445133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58622247 + ... + 58622266.

Almost surely, 2^1172445130 is an apocalyptic number.

1172445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1172445130 is a deficient number, since it is larger than the sum of its proper divisors (937956122).

1172445130 is a wasteful number, since it uses less digits than its factorization.

1172445130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117244520.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1172445130 is about 34240.9861131364. The cubic root of 1172445130 is about 1054.4617785798.

Adding to 1172445130 its reverse (315442711), we get a palindrome (1487887841).

The spelling of 1172445130 in words is "one billion, one hundred seventy-two million, four hundred forty-five thousand, one hundred thirty".