1242950487 has 32 divisors (see below), whose sum is σ = 1744060416. Its totient is φ = 786412800.

The previous prime is 1242950483. The next prime is 1242950491. The reversal of 1242950487 is 7840592421.

It is an interprime number because it is at equal distance from previous prime (1242950483) and next prime (1242950491).

It is not a de Polignac number, because 1242950487 - 2² = 1242950483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242950483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513537 + ... + 1514357.

It is an arithmetic number, because the mean of its divisors is an integer number (54501888).

Almost surely, 2^1242950487 is an apocalyptic number.

1242950487 is a deficient number, since it is larger than the sum of its proper divisors (501109929).

1242950487 is a wasteful number, since it uses less digits than its factorization.

1242950487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1242950487 is about 35255.5029321665. The cubic root of 1242950487 is about 1075.1884975388.

The spelling of 1242950487 in words is "one billion, two hundred forty-two million, nine hundred fifty thousand, four hundred eighty-seven".