1134121031 has 4 divisors (see below), whose sum is σ = 1134522792. Its totient is φ = 1133719272.

The previous prime is 1134120989. The next prime is 1134121033. The reversal of 1134121031 is 1301214311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1134121031 is a prime.

It is a super-2 number, since 2×1134121031² = 2572461025913005922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134121033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196616 + ... + 202301.

It is an arithmetic number, because the mean of its divisors is an integer number (283630698).

Almost surely, 2^1134121031 is an apocalyptic number.

1134121031 is a deficient number, since it is larger than the sum of its proper divisors (401761).

1134121031 is an equidigital number, since it uses as much as digits as its factorization.

1134121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401760.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1134121031 is about 33676.7134827613. The cubic root of 1134121031 is about 1042.8450915272.

Adding to 1134121031 its reverse (1301214311), we get a palindrome (2435335342).

The spelling of 1134121031 in words is "one billion, one hundred thirty-four million, one hundred twenty-one thousand, thirty-one".