1401020042 has 8 divisors (see below), whose sum is σ = 2102331936. Its totient is φ = 700242732.

The previous prime is 1401020041. The next prime is 1401020053. The reversal of 1401020042 is 2400201041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1401019999 and 1401020026.

It is not an unprimeable number, because it can be changed into a prime (1401020041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127028 + ... + 137615.

It is an arithmetic number, because the mean of its divisors is an integer number (262791492).

Almost surely, 2^1401020042 is an apocalyptic number.

1401020042 is a deficient number, since it is larger than the sum of its proper divisors (701311894).

1401020042 is a wasteful number, since it uses less digits than its factorization.

1401020042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267292.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1401020042 is about 37430.2022703592. The cubic root of 1401020042 is about 1118.9605689100.

Adding to 1401020042 its reverse (2400201041), we get a palindrome (3801221083).

The spelling of 1401020042 in words is "one billion, four hundred one million, twenty thousand, forty-two".