1401213232 has 20 divisors (see below), whose sum is σ = 2720057800. Its totient is φ = 699262848.

The previous prime is 1401213193. The next prime is 1401213239. The reversal of 1401213232 is 2323121041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1401213239) 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, 75357 + ... + 92092.

It is an arithmetic number, because the mean of its divisors is an integer number (136002890).

Almost surely, 2^1401213232 is an apocalyptic number.

It is an amenable number.

1401213232 is a deficient number, since it is larger than the sum of its proper divisors (1318844568).

1401213232 is a wasteful number, since it uses less digits than its factorization.

1401213232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167980 (or 167974 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1401213232 is about 37432.7828513991. The cubic root of 1401213232 is about 1119.0119985946.

Adding to 1401213232 its reverse (2323121041), we get a palindrome (3724334273).

The spelling of 1401213232 in words is "one billion, four hundred one million, two hundred thirteen thousand, two hundred thirty-two".