1201209494 has 8 divisors (see below), whose sum is σ = 1907803368. Its totient is φ = 565275040.

The previous prime is 1201209473. The next prime is 1201209509. The reversal of 1201209494 is 4949021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201209494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17664812 + ... + 17664879.

It is an arithmetic number, because the mean of its divisors is an integer number (238475421).

Almost surely, 2^1201209494 is an apocalyptic number.

1201209494 is a deficient number, since it is larger than the sum of its proper divisors (706593874).

1201209494 is a wasteful number, since it uses less digits than its factorization.

1201209494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329710.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1201209494 is about 34658.4692968400. The cubic root of 1201209494 is about 1063.0154712907.

The spelling of 1201209494 in words is "one billion, two hundred one million, two hundred nine thousand, four hundred ninety-four".