1242006493 has 16 divisors (see below), whose sum is σ = 1529885056. Its totient is φ = 981875520.

The previous prime is 1242006431. The next prime is 1242006499. The reversal of 1242006493 is 3946002421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1242006493 - 2²⁵ = 1208452061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242006499) 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, 120730 + ... + 130612.

It is an arithmetic number, because the mean of its divisors is an integer number (95617816).

Almost surely, 2^1242006493 is an apocalyptic number.

1242006493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1242006493 is a deficient number, since it is larger than the sum of its proper divisors (287878563).

1242006493 is a wasteful number, since it uses less digits than its factorization.

1242006493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1242006493 is about 35242.1124934360. The cubic root of 1242006493 is about 1074.9162344682.

The spelling of 1242006493 in words is "one billion, two hundred forty-two million, six thousand, four hundred ninety-three".