1230132442 has 32 divisors (see below), whose sum is σ = 2302162560. Its totient is φ = 478927680.

The previous prime is 1230132413. The next prime is 1230132443. The reversal of 1230132442 is 2442310321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1230132443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361284 + ... + 364672.

It is an arithmetic number, because the mean of its divisors is an integer number (71942580).

Almost surely, 2^1230132442 is an apocalyptic number.

1230132442 is a deficient number, since it is larger than the sum of its proper divisors (1072030118).

1230132442 is a wasteful number, since it uses less digits than its factorization.

1230132442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1230132442 is about 35073.2439617438. The cubic root of 1230132442 is about 1071.4797246316.

Adding to 1230132442 its reverse (2442310321), we get a palindrome (3672442763).

The spelling of 1230132442 in words is "one billion, two hundred thirty million, one hundred thirty-two thousand, four hundred forty-two".