1230185476 has 81 divisors (see below), whose sum is σ = 2495455893. Its totient is φ = 530318880.

The previous prime is 1230185471. The next prime is 1230185477. The reversal of 1230185476 is 6745810321.

The square root of 1230185476 is 35074.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 181980100 + 1048205376 = 13490^2 + 32376^2 .

It is a super-2 number, since 2×1230185476² = 3026712610722693152, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230185471) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17326521 + ... + 17326591.

Almost surely, 2^1230185476 is an apocalyptic number.

1230185476 is the 35074-th square number.

It is an amenable number.

1230185476 is an abundant number, since it is smaller than the sum of its proper divisors (1265270417).

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

1230185476 is a wasteful number, since it uses less digits than its factorization.

1230185476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The cubic root of 1230185476 is about 1071.4951224422.

Adding to 1230185476 its reverse (6745810321), we get a palindrome (7975995797).

It can be divided in two parts, 1230 and 185476, that multiplied together give a triangular number (228135480 = T₂₁₃₆₀).

The spelling of 1230185476 in words is "one billion, two hundred thirty million, one hundred eighty-five thousand, four hundred seventy-six".