1401021104 has 20 divisors (see below), whose sum is σ = 3102261264. Its totient is φ = 600437568.

The previous prime is 1401021091. The next prime is 1401021113. The reversal of 1401021104 is 4011201041.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6254447 + ... + 6254670.

Almost surely, 2^1401021104 is an apocalyptic number.

1401021104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401021104 is an abundant number, since it is smaller than the sum of its proper divisors (1701240160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401021104 is a wasteful number, since it uses less digits than its factorization.

1401021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509132 (or 12509126 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1401021104 is about 37430.2164567612. The cubic root of 1401021104 is about 1118.9608516411.

Adding to 1401021104 its reverse (4011201041), we get a palindrome (5412222145).

The spelling of 1401021104 in words is "one billion, four hundred one million, twenty-one thousand, one hundred four".