1261061114 has 16 divisors (see below), whose sum is σ = 1978813800. Its totient is φ = 601945344.

The previous prime is 1261061107. The next prime is 1261061119. The reversal of 1261061114 is 4111601621.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 997485889 + 263575225 = 31583^2 + 16235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1261061114.

It is not an unprimeable number, because it can be changed into a prime (1261061119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116987 + ... + 127310.

Almost surely, 2^1261061114 is an apocalyptic number.

1261061114 is a deficient number, since it is larger than the sum of its proper divisors (717752686).

1261061114 is a wasteful number, since it uses less digits than its factorization.

1261061114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244417.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1261061114 is about 35511.4223032534. The cubic root of 1261061114 is about 1080.3854117130.

Adding to 1261061114 its reverse (4111601621), we get a palindrome (5372662735).

The spelling of 1261061114 in words is "one billion, two hundred sixty-one million, sixty-one thousand, one hundred fourteen".