1267490495 has 16 divisors (see below), whose sum is σ = 1555254432. Its totient is φ = 991286400.

The previous prime is 1267490491. The next prime is 1267490507. The reversal of 1267490495 is 5940947621.

It is not a de Polignac number, because 1267490495 - 2² = 1267490491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267490491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66545 + ... + 83445.

It is an arithmetic number, because the mean of its divisors is an integer number (97203402).

Almost surely, 2^1267490495 is an apocalyptic number.

1267490495 is a deficient number, since it is larger than the sum of its proper divisors (287763937).

1267490495 is a wasteful number, since it uses less digits than its factorization.

1267490495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17242.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 1267490495 is about 35601.8327477674. The cubic root of 1267490495 is about 1082.2183754653.

The spelling of 1267490495 in words is "one billion, two hundred sixty-seven million, four hundred ninety thousand, four hundred ninety-five".