1011266061 has 32 divisors (see below), whose sum is σ = 1468320000. Its totient is φ = 615403008.

The previous prime is 1011266059. The next prime is 1011266083. The reversal of 1011266061 is 1606621101.

It is not a de Polignac number, because 1011266061 - 2¹ = 1011266059 is a prime.

It is a super-2 number, since 2×1011266061² = 2045318092260911442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011266021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776985 + ... + 1777553.

It is an arithmetic number, because the mean of its divisors is an integer number (45885000).

Almost surely, 2^1011266061 is an apocalyptic number.

It is an amenable number.

1011266061 is a deficient number, since it is larger than the sum of its proper divisors (457053939).

1011266061 is a wasteful number, since it uses less digits than its factorization.

1011266061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1011266061 is about 31800.4097615109. The cubic root of 1011266061 is about 1003.7413385956.

Adding to 1011266061 its reverse (1606621101), we get a palindrome (2617887162).

The spelling of 1011266061 in words is "one billion, eleven million, two hundred sixty-six thousand, sixty-one".