1000001420442 has 32 divisors (see below), whose sum is σ = 2223844061760. Its totient is φ = 333091004400.

The previous prime is 1000001420393. The next prime is 1000001420459. The reversal of 1000001420442 is 2440241000001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6669684 + ... + 6817967.

It is an arithmetic number, because the mean of its divisors is an integer number (69495126930).

Almost surely, 2^{1000001420442} is an apocalyptic number.

1000001420442 is an abundant number, since it is smaller than the sum of its proper divisors (1223842641318).

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

1000001420442 is a wasteful number, since it uses less digits than its factorization.

1000001420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489035 (or 13489029 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1000001420442 its reverse (2440241000001), we get a palindrome (3440242420443).

The spelling of 1000001420442 in words is "one trillion, one million, four hundred twenty thousand, four hundred forty-two".