1242248086 has 16 divisors (see below), whose sum is σ = 1883344320. Its totient is φ = 614476800.

The previous prime is 1242248041. The next prime is 1242248099. The reversal of 1242248086 is 6808422421.

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, 460630 + ... + 463318.

It is an arithmetic number, because the mean of its divisors is an integer number (117709020).

Almost surely, 2^1242248086 is an apocalyptic number.

1242248086 is a deficient number, since it is larger than the sum of its proper divisors (641096234).

1242248086 is a wasteful number, since it uses less digits than its factorization.

1242248086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079.

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 1242248086 is about 35245.5399447930. The cubic root of 1242248086 is about 1074.9859269115.

The spelling of 1242248086 in words is "one billion, two hundred forty-two million, two hundred forty-eight thousand, eighty-six".