1213401102 has 16 divisors (see below), whose sum is σ = 2428337232. Its totient is φ = 404211200.

The previous prime is 1213401097. The next prime is 1213401103. The reversal of 1213401102 is 2011043121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213401103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53553 + ... + 72764.

It is an arithmetic number, because the mean of its divisors is an integer number (151771077).

Almost surely, 2^1213401102 is an apocalyptic number.

1213401102 is an abundant number, since it is smaller than the sum of its proper divisors (1214936130).

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

1213401102 is a wasteful number, since it uses less digits than its factorization.

1213401102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127923.

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

The square root of 1213401102 is about 34833.9073605015. The cubic root of 1213401102 is about 1066.5997110099.

Adding to 1213401102 its reverse (2011043121), we get a palindrome (3224444223).

The spelling of 1213401102 in words is "one billion, two hundred thirteen million, four hundred one thousand, one hundred two".