1267215342 has 16 divisors (see below), whose sum is σ = 2575979472. Its totient is φ = 415480320.

The previous prime is 1267215329. The next prime is 1267215353. The reversal of 1267215342 is 2435127621.

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, 1730803 + ... + 1731534.

It is an arithmetic number, because the mean of its divisors is an integer number (160998717).

Almost surely, 2^1267215342 is an apocalyptic number.

1267215342 is an abundant number, since it is smaller than the sum of its proper divisors (1308764130).

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

1267215342 is a wasteful number, since it uses less digits than its factorization.

1267215342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462403.

The product of its digits is 20160, while the sum is 33.

The square root of 1267215342 is about 35597.9682285380. The cubic root of 1267215342 is about 1082.1400587221.

The spelling of 1267215342 in words is "one billion, two hundred sixty-seven million, two hundred fifteen thousand, three hundred forty-two".