1401021112 has 8 divisors (see below), whose sum is σ = 2626914600. Its totient is φ = 700510552.

The previous prime is 1401021091. The next prime is 1401021113. The reversal of 1401021112 is 2111201041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1401021092 and 1401021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87563812 + ... + 87563827.

It is an arithmetic number, because the mean of its divisors is an integer number (328364325).

Almost surely, 2^1401021112 is an apocalyptic number.

It is an amenable number.

1401021112 is a deficient number, since it is larger than the sum of its proper divisors (1225893488).

1401021112 is a wasteful number, since it uses less digits than its factorization.

1401021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175127645 (or 175127641 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1401021112 is about 37430.2165636268. The cubic root of 1401021112 is about 1118.9608537709.

Adding to 1401021112 its reverse (2111201041), we get a palindrome (3512222153).

The spelling of 1401021112 in words is "one billion, four hundred one million, twenty-one thousand, one hundred twelve".