1202256146 has 32 divisors (see below), whose sum is σ = 2266790400. Its totient is φ = 465494976.

The previous prime is 1202256113. The next prime is 1202256149. The reversal of 1202256146 is 6416522021.

It is not an unprimeable number, because it can be changed into a prime (1202256149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61721 + ... + 78828.

It is an arithmetic number, because the mean of its divisors is an integer number (70837200).

Almost surely, 2^1202256146 is an apocalyptic number.

1202256146 is a deficient number, since it is larger than the sum of its proper divisors (1064534254).

1202256146 is a wasteful number, since it uses less digits than its factorization.

1202256146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140618.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1202256146 is about 34673.5655218785. The cubic root of 1202256146 is about 1063.3241280462.

Adding to 1202256146 its reverse (6416522021), we get a palindrome (7618778167).

The spelling of 1202256146 in words is "one billion, two hundred two million, two hundred fifty-six thousand, one hundred forty-six".