1974126434 has 16 divisors (see below), whose sum is σ = 3408922368. Its totient is φ = 839877792.

The previous prime is 1974126421. The next prime is 1974126487. The reversal of 1974126434 is 4346214791.

It is a junction number, because it is equal to n+sod(n) for n = 1974126391 and 1974126400.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 512714 + ... + 516549.

It is an arithmetic number, because the mean of its divisors is an integer number (213057648).

Almost surely, 2^1974126434 is an apocalyptic number.

1974126434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1974126434 is a deficient number, since it is larger than the sum of its proper divisors (1434795934).

1974126434 is a wasteful number, since it uses less digits than its factorization.

1974126434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029409.

The product of its digits is 145152, while the sum is 41.

The square root of 1974126434 is about 44431.1426141620. The cubic root of 1974126434 is about 1254.4643426542.

The spelling of 1974126434 in words is "one billion, nine hundred seventy-four million, one hundred twenty-six thousand, four hundred thirty-four".