1242002034 has 48 divisors (see below), whose sum is σ = 3312009792. Its totient is φ = 327560544.

The previous prime is 1242002023. The next prime is 1242002059. The reversal of 1242002034 is 4302002421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1242001998 and 1242002016.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 377484 + ... + 380759.

It is an arithmetic number, because the mean of its divisors is an integer number (69000204).

Almost surely, 2^1242002034 is an apocalyptic number.

1242002034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1242002034 is an abundant number, since it is smaller than the sum of its proper divisors (2070007758).

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

1242002034 is a wasteful number, since it uses less digits than its factorization.

1242002034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758271 (or 758268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1242002034 is about 35242.0492309968. The cubic root of 1242002034 is about 1074.9149480935.

Adding to 1242002034 its reverse (4302002421), we get a palindrome (5544004455).

The spelling of 1242002034 in words is "one billion, two hundred forty-two million, two thousand, thirty-four".