1111234402 has 4 divisors (see below), whose sum is σ = 1666851606. Its totient is φ = 555617200.

The previous prime is 1111234381. The next prime is 1111234403. The reversal of 1111234402 is 2044321111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 978500961 + 132733441 = 31281^2 + 11521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1111234402.

It is not an unprimeable number, because it can be changed into a prime (1111234403) by changing a digit.

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 as a sum of consecutive naturals, namely, 277808599 + ... + 277808602.

Almost surely, 2^1111234402 is an apocalyptic number.

1111234402 is a deficient number, since it is larger than the sum of its proper divisors (555617204).

1111234402 is an equidigital number, since it uses as much as digits as its factorization.

1111234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555617203.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1111234402 is about 33335.1826453673. The cubic root of 1111234402 is about 1035.7824765802.

Adding to 1111234402 its reverse (2044321111), we get a palindrome (3155555513).

The spelling of 1111234402 in words is "one billion, one hundred eleven million, two hundred thirty-four thousand, four hundred two".