1420121254234 has 16 divisors (see below), whose sum is σ = 2223435458880. Its totient is φ = 678993795040.

The previous prime is 1420121254229. The next prime is 1420121254249. The reversal of 1420121254234 is 4324521210241.

It is a junction number, because it is equal to n+sod(n) for n = 1420121254196 and 1420121254205.

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, 4261099 + ... + 4582270.

It is an arithmetic number, because the mean of its divisors is an integer number (138964716180).

Almost surely, 2^{1420121254234} is an apocalyptic number.

1420121254234 is a deficient number, since it is larger than the sum of its proper divisors (803314204646).

1420121254234 is a wasteful number, since it uses less digits than its factorization.

1420121254234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846885.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1420121254234 its reverse (4324521210241), we get a palindrome (5744642464475).

The spelling of 1420121254234 in words is "one trillion, four hundred twenty billion, one hundred twenty-one million, two hundred fifty-four thousand, two hundred thirty-four".