1187213703 has 16 divisors (see below), whose sum is σ = 1744364160. Its totient is φ = 713601504.

The previous prime is 1187213693. The next prime is 1187213759. The reversal of 1187213703 is 3073127811.

It is not a de Polignac number, because 1187213703 - 2¹⁶ = 1187148167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187233703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352293 + ... + 355646.

It is an arithmetic number, because the mean of its divisors is an integer number (109022760).

Almost surely, 2^1187213703 is an apocalyptic number.

1187213703 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1187213703 is a deficient number, since it is larger than the sum of its proper divisors (557150457).

1187213703 is a wasteful number, since it uses less digits than its factorization.

1187213703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707998.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1187213703 is about 34455.9675963395. The cubic root of 1187213703 is about 1058.8707872177.

The spelling of 1187213703 in words is "one billion, one hundred eighty-seven million, two hundred thirteen thousand, seven hundred three".