1202491 has 6 divisors (see below), whose sum is σ = 1269492. Its totient is φ = 1138860.

The previous prime is 1202483. The next prime is 1202497. The reversal of 1202491 is 1942021.

1202491 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 1202491 - 2³ = 1202483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1305 + ... + 2026.

It is an arithmetic number, because the mean of its divisors is an integer number (211582).

2^1202491 is an apocalyptic number.

1202491 is a deficient number, since it is larger than the sum of its proper divisors (67001).

1202491 is an equidigital number, since it uses as much as digits as its factorization.

1202491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369 (or 3350 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1202491 is about 1096.5815063186. The cubic root of 1202491 is about 106.3393361675.

The spelling of 1202491 in words is "one million, two hundred two thousand, four hundred ninety-one".