1201145846 has 12 divisors (see below), whose sum is σ = 1913937468. Its totient is φ = 565244832.

The previous prime is 1201145801. The next prime is 1201145849. The reversal of 1201145846 is 6485411021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201145849) 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, 1038476 + ... + 1039631.

It is an arithmetic number, because the mean of its divisors is an integer number (159494789).

Almost surely, 2^1201145846 is an apocalyptic number.

1201145846 is a deficient number, since it is larger than the sum of its proper divisors (712791622).

1201145846 is a wasteful number, since it uses less digits than its factorization.

1201145846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078143 (or 2078126 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1201145846 is about 34657.5510675524. The cubic root of 1201145846 is about 1062.9966957693.

Adding to 1201145846 its reverse (6485411021), we get a palindrome (7686556867).

The spelling of 1201145846 in words is "one billion, two hundred one million, one hundred forty-five thousand, eight hundred forty-six".