1202123106 has 40 divisors (see below), whose sum is σ = 2810769984. Its totient is φ = 383284440.

The previous prime is 1202123063. The next prime is 1202123123. The reversal of 1202123106 is 6013212021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 157590 + ... + 165041.

Almost surely, 2^1202123106 is an apocalyptic number.

1202123106 is an abundant number, since it is smaller than the sum of its proper divisors (1608646878).

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

1202123106 is a wasteful number, since it uses less digits than its factorization.

1202123106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322668 (or 322659 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1202123106 is about 34671.6470044329. The cubic root of 1202123106 is about 1063.2849046076.

Adding to 1202123106 its reverse (6013212021), we get a palindrome (7215335127).

The spelling of 1202123106 in words is "one billion, two hundred two million, one hundred twenty-three thousand, one hundred six".