1267420045510 has 64 divisors (see below), whose sum is σ = 2392024089600. Its totient is φ = 482591970432.

The previous prime is 1267420045481. The next prime is 1267420045511. The reversal of 1267420045510 is 155400247621.

It is a self number, because there is not a number n which added to its sum of digits gives 1267420045510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267420045511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54715311 + ... + 54738469.

It is an arithmetic number, because the mean of its divisors is an integer number (37375376400).

Almost surely, 2^{1267420045510} is an apocalyptic number.

1267420045510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1267420045510 is a deficient number, since it is larger than the sum of its proper divisors (1124604044090).

1267420045510 is a wasteful number, since it uses less digits than its factorization.

1267420045510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24325.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 1267420045510 in words is "one trillion, two hundred sixty-seven billion, four hundred twenty million, forty-five thousand, five hundred ten".