1291202 has 16 divisors (see below), whose sum is σ = 2224800. Its totient is φ = 555840.

The previous prime is 1291193. The next prime is 1291211. The reversal of 1291202 is 2021921.

It is an interprime number because it is at equal distance from previous prime (1291193) and next prime (1291211).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1127 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (139050).

2^1291202 is an apocalyptic number.

1291202 is a deficient number, since it is larger than the sum of its proper divisors (933598).

1291202 is a wasteful number, since it uses less digits than its factorization.

1291202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1291202 is about 1136.3106969487. The cubic root of 1291202 is about 108.8925237499.

It can be divided in two parts, 129 and 1202, that added together give a palindrome (1331).

The spelling of 1291202 in words is "one million, two hundred ninety-one thousand, two hundred two".