1421031102 has 32 divisors (see below), whose sum is σ = 2938274304. Its totient is φ = 457812000.

The previous prime is 1421031097. The next prime is 1421031113. The reversal of 1421031102 is 2011301241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12327 + ... + 54717.

It is an arithmetic number, because the mean of its divisors is an integer number (91821072).

Almost surely, 2^1421031102 is an apocalyptic number.

1421031102 is an abundant number, since it is smaller than the sum of its proper divisors (1517243202).

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

1421031102 is a wasteful number, since it uses less digits than its factorization.

1421031102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42584.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1421031102 is about 37696.5661831419. The cubic root of 1421031102 is about 1124.2628526016.

Adding to 1421031102 its reverse (2011301241), we get a palindrome (3432332343).

The spelling of 1421031102 in words is "one billion, four hundred twenty-one million, thirty-one thousand, one hundred two".