1401020332 has 6 divisors (see below), whose sum is σ = 2451785588. Its totient is φ = 700510164.

The previous prime is 1401020287. The next prime is 1401020333. The reversal of 1401020332 is 2330201041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1401020333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175127538 + ... + 175127545.

Almost surely, 2^1401020332 is an apocalyptic number.

It is an amenable number.

1401020332 is a deficient number, since it is larger than the sum of its proper divisors (1050765256).

1401020332 is a wasteful number, since it uses less digits than its factorization.

1401020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350255087 (or 350255085 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1401020332 is about 37430.2061442360. The cubic root of 1401020332 is about 1118.9606461153.

Adding to 1401020332 its reverse (2330201041), we get a palindrome (3731221373).

The spelling of 1401020332 in words is "one billion, four hundred one million, twenty thousand, three hundred thirty-two".