1242767465015 has 16 divisors (see below), whose sum is σ = 1544378075136. Its totient is φ = 959048810400.

The previous prime is 1242767465011. The next prime is 1242767465021. The reversal of 1242767465015 is 5105647672421.

It is a happy number.

It is not a de Polignac number, because 1242767465015 - 2² = 1242767465011 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 (1242767465011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12842237 + ... + 12938646.

It is an arithmetic number, because the mean of its divisors is an integer number (96523629696).

Almost surely, 2^{1242767465015} is an apocalyptic number.

1242767465015 is a deficient number, since it is larger than the sum of its proper divisors (301610610121).

1242767465015 is a wasteful number, since it uses less digits than its factorization.

1242767465015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25781230.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 1242767465015 in words is "one trillion, two hundred forty-two billion, seven hundred sixty-seven million, four hundred sixty-five thousand, fifteen".