1194209055 has 64 divisors (see below), whose sum is σ = 2296304640. Its totient is φ = 585360000.

The previous prime is 1194208999. The next prime is 1194209069. The reversal of 1194209055 is 5509024911.

It is not a de Polignac number, because 1194209055 - 2¹⁵ = 1194176287 is a prime.

It is a super-2 number, since 2×1194209055² = 2852270534087986050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 439150 + ... + 441860.

It is an arithmetic number, because the mean of its divisors is an integer number (35879760).

Almost surely, 2^1194209055 is an apocalyptic number.

1194209055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1194209055 is a deficient number, since it is larger than the sum of its proper divisors (1102095585).

1194209055 is a wasteful number, since it uses less digits than its factorization.

1194209055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 1194209055 is about 34557.3299749850. The cubic root of 1194209055 is about 1060.9464239256.

The spelling of 1194209055 in words is "one billion, one hundred ninety-four million, two hundred nine thousand, fifty-five".