1201861733 has 8 divisors (see below), whose sum is σ = 1274113152. Its totient is φ = 1129782976.

The previous prime is 1201861729. The next prime is 1201861751. The reversal of 1201861733 is 3371681021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201861733 - 2² = 1201861729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201861733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201161733) 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, 28685 + ... + 56802.

It is an arithmetic number, because the mean of its divisors is an integer number (159264144).

Almost surely, 2^1201861733 is an apocalyptic number.

It is an amenable number.

1201861733 is a deficient number, since it is larger than the sum of its proper divisors (72251419).

1201861733 is an equidigital number, since it uses as much as digits as its factorization.

1201861733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86331.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1201861733 is about 34667.8775381476. The cubic root of 1201861733 is about 1063.2078370404.

The spelling of 1201861733 in words is "one billion, two hundred one million, eight hundred sixty-one thousand, seven hundred thirty-three".