1129020703 has 4 divisors (see below), whose sum is σ = 1129150960. Its totient is φ = 1128890448.

The previous prime is 1129020691. The next prime is 1129020719. The reversal of 1129020703 is 3070209211.

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

It is a cyclic number.

It is not a de Polignac number, because 1129020703 - 2¹⁷ = 1128889631 is a prime.

It is a super-2 number, since 2×1129020703² = 2549375495605228418, 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 (1129020743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51123 + ... + 69796.

It is an arithmetic number, because the mean of its divisors is an integer number (282287740).

Almost surely, 2^1129020703 is an apocalyptic number.

1129020703 is a deficient number, since it is larger than the sum of its proper divisors (130257).

1129020703 is an equidigital number, since it uses as much as digits as its factorization.

1129020703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130256.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1129020703 is about 33600.9033063101. The cubic root of 1129020703 is about 1041.2794604924.

Adding to 1129020703 its reverse (3070209211), we get a palindrome (4199229914).

The spelling of 1129020703 in words is "one billion, one hundred twenty-nine million, twenty thousand, seven hundred three".