1012156146 has 24 divisors (see below), whose sum is σ = 2195011884. Its totient is φ = 337076640.

The previous prime is 1012156133. The next prime is 1012156213. The reversal of 1012156146 is 6416512101.

1012156146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 948332025 + 63824121 = 30795^2 + 7989^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5065 + ... + 45276.

Almost surely, 2^1012156146 is an apocalyptic number.

1012156146 is an abundant number, since it is smaller than the sum of its proper divisors (1182855738).

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

1012156146 is a wasteful number, since it uses less digits than its factorization.

1012156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51466 (or 51463 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1012156146 is about 31814.4015502414. The cubic root of 1012156146 is about 1004.0357395626.

Adding to 1012156146 its reverse (6416512101), we get a palindrome (7428668247).

The spelling of 1012156146 in words is "one billion, twelve million, one hundred fifty-six thousand, one hundred forty-six".