1201546436 has 24 divisors (see below), whose sum is σ = 2162158656. Its totient is φ = 583826400.

The previous prime is 1201546433. The next prime is 1201546439. The reversal of 1201546436 is 6346451021.

It is an interprime number because it is at equal distance from previous prime (1201546433) and next prime (1201546439).

It is not an unprimeable number, because it can be changed into a prime (1201546433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129761 + ... + 138711.

It is an arithmetic number, because the mean of its divisors is an integer number (90089944).

Almost surely, 2^1201546436 is an apocalyptic number.

It is an amenable number.

1201546436 is a deficient number, since it is larger than the sum of its proper divisors (960612220).

1201546436 is a wasteful number, since it uses less digits than its factorization.

1201546436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9899 (or 9897 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1201546436 is about 34663.3298458183. The cubic root of 1201546436 is about 1063.1148547528.

Adding to 1201546436 its reverse (6346451021), we get a palindrome (7547997457).

The spelling of 1201546436 in words is "one billion, two hundred one million, five hundred forty-six thousand, four hundred thirty-six".