1230120032 has 12 divisors (see below), whose sum is σ = 2421798876. Its totient is φ = 615060000.

The previous prime is 1230120013. The next prime is 1230120061. The reversal of 1230120032 is 2300210321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1230119989 and 1230120016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19220594 + ... + 19220657.

It is an arithmetic number, because the mean of its divisors is an integer number (201816573).

Almost surely, 2^1230120032 is an apocalyptic number.

It is an amenable number.

1230120032 is a deficient number, since it is larger than the sum of its proper divisors (1191678844).

1230120032 is an equidigital number, since it uses as much as digits as its factorization.

1230120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38441261 (or 38441253 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1230120032 is about 35073.0670458117. The cubic root of 1230120032 is about 1071.4761214673.

Adding to 1230120032 its reverse (2300210321), we get a palindrome (3530330353).

The spelling of 1230120032 in words is "one billion, two hundred thirty million, one hundred twenty thousand, thirty-two".