1201641016 has 32 divisors (see below), whose sum is σ = 2416424400. Its totient is φ = 558455040.

The previous prime is 1201640987. The next prime is 1201641017. The reversal of 1201641016 is 6101461021.

It is a super-2 number, since 2×1201641016² = 2887882262667024512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201641017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66525 + ... + 82636.

Almost surely, 2^1201641016 is an apocalyptic number.

It is an amenable number.

1201641016 is an abundant number, since it is smaller than the sum of its proper divisors (1214783384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201641016 is a wasteful number, since it uses less digits than its factorization.

1201641016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149239 (or 149235 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1201641016 is about 34664.6940849043. The cubic root of 1201641016 is about 1063.1427484631.

The spelling of 1201641016 in words is "one billion, two hundred one million, six hundred forty-one thousand, sixteen".