1204963641 has 64 divisors (see below), whose sum is σ = 2156492800. Its totient is φ = 649591488.

The previous prime is 1204963631. The next prime is 1204963651. The reversal of 1204963641 is 1463694021.

1204963641 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 9 + 6 + 3 + 641 = 666.

It is an interprime number because it is at equal distance from previous prime (1204963631) and next prime (1204963651).

It is not a de Polignac number, because 1204963641 - 2¹⁸ = 1204701497 is a prime.

It is a super-2 number, since 2×1204963641² = 2903874752263953762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1204963596 and 1204963605.

It is not an unprimeable number, because it can be changed into a prime (1204963631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1101891 + ... + 1102983.

It is an arithmetic number, because the mean of its divisors is an integer number (33695200).

Almost surely, 2^1204963641 is an apocalyptic number.

It is an amenable number.

1204963641 is a deficient number, since it is larger than the sum of its proper divisors (951529159).

1204963641 is a wasteful number, since it uses less digits than its factorization.

1204963641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1204963641 is about 34712.5862044302. The cubic root of 1204963641 is about 1064.1217357580.

It can be divided in two parts, 1204963 and 641, that added together give a square (1205604 = 1098²).

The spelling of 1204963641 in words is "one billion, two hundred four million, nine hundred sixty-three thousand, six hundred forty-one".