1266061146 has 32 divisors (see below), whose sum is σ = 2902473600. Its totient is φ = 360654336.

The previous prime is 1266061109. The next prime is 1266061163. The reversal of 1266061146 is 6411606621.

It is a happy 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, 30571 + ... + 58878.

It is an arithmetic number, because the mean of its divisors is an integer number (90702300).

Almost surely, 2^1266061146 is an apocalyptic number.

1266061146 is an abundant number, since it is smaller than the sum of its proper divisors (1636412454).

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

1266061146 is a wasteful number, since it uses less digits than its factorization.

1266061146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89798.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1266061146 is about 35581.7529922290. The cubic root of 1266061146 is about 1081.8114165727.

Adding to 1266061146 its reverse (6411606621), we get a palindrome (7677667767).

The spelling of 1266061146 in words is "one billion, two hundred sixty-six million, sixty-one thousand, one hundred forty-six".