1201857484 has 12 divisors (see below), whose sum is σ = 2104578784. Its totient is φ = 600549264.

The previous prime is 1201857427. The next prime is 1201857487. The reversal of 1201857484 is 4847581021.

It is a super-2 number, since 2×1201857484² = 2888922823693620512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201857487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87684 + ... + 100459.

Almost surely, 2^1201857484 is an apocalyptic number.

It is an amenable number.

1201857484 is a deficient number, since it is larger than the sum of its proper divisors (902721300).

1201857484 is a wasteful number, since it uses less digits than its factorization.

1201857484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189744 (or 189742 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1201857484 is about 34667.8162565801. The cubic root of 1201857484 is about 1063.2065841022.

The spelling of 1201857484 in words is "one billion, two hundred one million, eight hundred fifty-seven thousand, four hundred eighty-four".