1420990412123 has 2 divisors, whose sum is σ = 1420990412124. Its totient is φ = 1420990412122.

The previous prime is 1420990412119. The next prime is 1420990412137. The reversal of 1420990412123 is 3212140990241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420990412123 - 2² = 1420990412119 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1420990412923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710495206061 + 710495206062.

It is an arithmetic number, because the mean of its divisors is an integer number (710495206062).

Almost surely, 2^{1420990412123} is an apocalyptic number.

1420990412123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420990412123 is an equidigital number, since it uses as much as digits as its factorization.

1420990412123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 1420990412123 in words is "one trillion, four hundred twenty billion, nine hundred ninety million, four hundred twelve thousand, one hundred twenty-three".