1141555203 has 6 divisors (see below), whose sum is σ = 1648913084. Its totient is φ = 761036796.

The previous prime is 1141555199. The next prime is 1141555231. The reversal of 1141555203 is 3025551411.

It is not a de Polignac number, because 1141555203 - 2² = 1141555199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141555903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63419725 + ... + 63419742.

Almost surely, 2^1141555203 is an apocalyptic number.

1141555203 is a deficient number, since it is larger than the sum of its proper divisors (507357881).

1141555203 is a wasteful number, since it uses less digits than its factorization.

1141555203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126839473 (or 126839470 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1141555203 is about 33786.9087517636. The cubic root of 1141555203 is about 1045.1187499645.

The spelling of 1141555203 in words is "one billion, one hundred forty-one million, five hundred fifty-five thousand, two hundred three".