1420990442123 has 8 divisors (see below), whose sum is σ = 1648227720192. Its totient is φ = 1199812824936.

The previous prime is 1420990442111. The next prime is 1420990442177. The reversal of 1420990442123 is 3212440990241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420990442123 - 2¹² = 1420990438027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420990412123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514914715 + ... + 1514915652.

It is an arithmetic number, because the mean of its divisors is an integer number (206028465024).

Almost surely, 2^{1420990442123} is an apocalyptic number.

1420990442123 is a deficient number, since it is larger than the sum of its proper divisors (227237278069).

1420990442123 is an equidigital number, since it uses as much as digits as its factorization.

1420990442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029830441.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 1420990442123 in words is "one trillion, four hundred twenty billion, nine hundred ninety million, four hundred forty-two thousand, one hundred twenty-three".