1201641403 has 2 divisors, whose sum is σ = 1201641404. Its totient is φ = 1201641402.

The previous prime is 1201641391. The next prime is 1201641409. The reversal of 1201641403 is 3041461021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201641403 is a prime.

It is a super-2 number, since 2×1201641403² = 2887884122807616818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1201641409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600820701 + 600820702.

It is an arithmetic number, because the mean of its divisors is an integer number (600820702).

Almost surely, 2^1201641403 is an apocalyptic number.

1201641403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201641403 is an equidigital number, since it uses as much as digits as its factorization.

1201641403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1201641403 is about 34664.6996669523. The cubic root of 1201641403 is about 1063.1428625949.

The spelling of 1201641403 in words is "one billion, two hundred one million, six hundred forty-one thousand, four hundred three".