1121402534 has 24 divisors (see below), whose sum is σ = 2059722360. Its totient is φ = 455305536.

The previous prime is 1121402533. The next prime is 1121402543. The reversal of 1121402534 is 4352041211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121402531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299267 + ... + 302990.

It is an arithmetic number, because the mean of its divisors is an integer number (85821765).

Almost surely, 2^1121402534 is an apocalyptic number.

1121402534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1121402534 is a deficient number, since it is larger than the sum of its proper divisors (938319826).

1121402534 is a wasteful number, since it uses less digits than its factorization.

1121402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602292 (or 602285 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1121402534 is about 33487.3488649072. The cubic root of 1121402534 is about 1038.9321305908.

Adding to 1121402534 its reverse (4352041211), we get a palindrome (5473443745).

The spelling of 1121402534 in words is "one billion, one hundred twenty-one million, four hundred two thousand, five hundred thirty-four".