1262420134005 has 8 divisors (see below), whose sum is σ = 2019872214432. Its totient is φ = 673290738128.

The previous prime is 1262420133967. The next prime is 1262420134093. The reversal of 1262420134005 is 5004310242621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1262420134005 - 2⁶ = 1262420133941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42080671119 + ... + 42080671148.

It is an arithmetic number, because the mean of its divisors is an integer number (252484026804).

Almost surely, 2^{1262420134005} is an apocalyptic number.

1262420134005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1262420134005 is a deficient number, since it is larger than the sum of its proper divisors (757452080427).

1262420134005 is an equidigital number, since it uses as much as digits as its factorization.

1262420134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84161342275.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1262420134005 its reverse (5004310242621), we get a palindrome (6266730376626).

The spelling of 1262420134005 in words is "one trillion, two hundred sixty-two billion, four hundred twenty million, one hundred thirty-four thousand, five".