1420123434 has 16 divisors (see below), whose sum is σ = 2876200320. Its totient is φ = 467382240.

The previous prime is 1420123409. The next prime is 1420123487. The reversal of 1420123434 is 4343210241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497547 + ... + 1498494.

It is an arithmetic number, because the mean of its divisors is an integer number (179762520).

Almost surely, 2^1420123434 is an apocalyptic number.

1420123434 is an abundant number, since it is smaller than the sum of its proper divisors (1456076886).

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

1420123434 is a wasteful number, since it uses less digits than its factorization.

1420123434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996125.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1420123434 is about 37684.5251263698. The cubic root of 1420123434 is about 1124.0234314378.

Adding to 1420123434 its reverse (4343210241), we get a palindrome (5763333675).

The spelling of 1420123434 in words is "one billion, four hundred twenty million, one hundred twenty-three thousand, four hundred thirty-four".