1267002426 has 64 divisors (see below), whose sum is σ = 2740469760. Its totient is φ = 389368320.

The previous prime is 1267002413. The next prime is 1267002427. The reversal of 1267002426 is 6242007621.

It is a junction number, because it is equal to n+sod(n) for n = 1267002393 and 1267002402.

It is not an unprimeable number, because it can be changed into a prime (1267002427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509715 + ... + 1510553.

It is an arithmetic number, because the mean of its divisors is an integer number (42819840).

Almost surely, 2^1267002426 is an apocalyptic number.

1267002426 is an abundant number, since it is smaller than the sum of its proper divisors (1473467334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1267002426 is a wasteful number, since it uses less digits than its factorization.

1267002426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1267002426 is about 35594.9775389731. The cubic root of 1267002426 is about 1082.0794487031.

The spelling of 1267002426 in words is "one billion, two hundred sixty-seven million, two thousand, four hundred twenty-six".