11121402 has 16 divisors (see below), whose sum is σ = 22276512. Its totient is φ = 3701520.

The previous prime is 11121389. The next prime is 11121421. The reversal of 11121402 is 20412111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5493 + ... + 7239.

It is an arithmetic number, because the mean of its divisors is an integer number (1392282).

Almost surely, 2^11121402 is an apocalyptic number.

11121402 is an abundant number, since it is smaller than the sum of its proper divisors (11155110).

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

11121402 is a wasteful number, since it uses less digits than its factorization.

11121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11121402 is about 3334.8766094115. The cubic root of 11121402 is about 223.2131860377.

Adding to 11121402 its reverse (20412111), we get a palindrome (31533513).

The spelling of 11121402 in words is "eleven million, one hundred twenty-one thousand, four hundred two".