1423121102 has 32 divisors (see below), whose sum is σ = 2438299584. Its totient is φ = 617126400.

The previous prime is 1423121099. The next prime is 1423121137. The reversal of 1423121102 is 2011213241.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 289727 + ... + 294597.

It is an arithmetic number, because the mean of its divisors is an integer number (76196862).

Almost surely, 2^1423121102 is an apocalyptic number.

1423121102 is a deficient number, since it is larger than the sum of its proper divisors (1015178482).

1423121102 is a wasteful number, since it uses less digits than its factorization.

1423121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1423121102 is about 37724.2773555704. The cubic root of 1423121102 is about 1124.8137573505.

Adding to 1423121102 its reverse (2011213241), we get a palindrome (3434334343).

The spelling of 1423121102 in words is "one billion, four hundred twenty-three million, one hundred twenty-one thousand, one hundred two".