1242763434 has 24 divisors (see below), whose sum is σ = 2937441312. Its totient is φ = 376594920.

The previous prime is 1242763421. The next prime is 1242763441. The reversal of 1242763434 is 4343672421.

1242763434 is a `hidden beast` number, since 1 + 242 + 76 + 343 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3138094 + ... + 3138489.

It is an arithmetic number, because the mean of its divisors is an integer number (122393388).

Almost surely, 2^1242763434 is an apocalyptic number.

1242763434 is an abundant number, since it is smaller than the sum of its proper divisors (1694677878).

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

1242763434 is a wasteful number, since it uses less digits than its factorization.

1242763434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276602 (or 6276599 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 1242763434 is about 35252.8500124458. The cubic root of 1242763434 is about 1075.1345593957.

The spelling of 1242763434 in words is "one billion, two hundred forty-two million, seven hundred sixty-three thousand, four hundred thirty-four".