1145977203 has 32 divisors (see below), whose sum is σ = 1763725312. Its totient is φ = 648324000.

The previous prime is 1145977201. The next prime is 1145977211. The reversal of 1145977203 is 3027795411.

It is not a de Polignac number, because 1145977203 - 2¹ = 1145977201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145977201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1658088 + ... + 1658778.

It is an arithmetic number, because the mean of its divisors is an integer number (55116416).

Almost surely, 2^1145977203 is an apocalyptic number.

1145977203 is a deficient number, since it is larger than the sum of its proper divisors (617748109).

1145977203 is a wasteful number, since it uses less digits than its factorization.

1145977203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1145977203 is about 33852.2850484277. The cubic root of 1145977203 is about 1046.4664904598.

The spelling of 1145977203 in words is "one billion, one hundred forty-five million, nine hundred seventy-seven thousand, two hundred three".