61432130 has 32 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 23189760.

The previous prime is 61432123. The next prime is 61432153. The reversal of 61432130 is 3123416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69290 + ... + 70170.

It is an arithmetic number, because the mean of its divisors is an integer number (3651480).

Almost surely, 2^61432130 is an apocalyptic number.

61432130 is a deficient number, since it is larger than the sum of its proper divisors (55415230).

61432130 is a wasteful number, since it uses less digits than its factorization.

61432130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61432130 is about 7837.8651430093. The cubic root of 61432130 is about 394.5770830059.

Adding to 61432130 its reverse (3123416), we get a palindrome (64555546).

The spelling of 61432130 in words is "sixty-one million, four hundred thirty-two thousand, one hundred thirty".