1121151262 has 24 divisors (see below), whose sum is σ = 2134141560. Its totient is φ = 436811760.

The previous prime is 1121151247. The next prime is 1121151263. The reversal of 1121151262 is 2621511211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121151263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518937 + ... + 521092.

It is an arithmetic number, because the mean of its divisors is an integer number (88922565).

Almost surely, 2^1121151262 is an apocalyptic number.

1121151262 is a deficient number, since it is larger than the sum of its proper divisors (1012990298).

1121151262 is a wasteful number, since it uses less digits than its factorization.

1121151262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040056 (or 1040049 counting only the distinct ones).

The product of its digits is 240, while the sum is 22.

The square root of 1121151262 is about 33483.5969095317. The cubic root of 1121151262 is about 1038.8545271591.

Adding to 1121151262 its reverse (2621511211), we get a palindrome (3742662473).

The spelling of 1121151262 in words is "one billion, one hundred twenty-one million, one hundred fifty-one thousand, two hundred sixty-two".