1042001420 has 48 divisors (see below), whose sum is σ = 2337807360. Its totient is φ = 388960704.

The previous prime is 1042001393. The next prime is 1042001479. The reversal of 1042001420 is 241002401.

It is a junction number, because it is equal to n+sod(n) for n = 1042001395 and 1042001404.

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, 4997 + ... + 45923.

It is an arithmetic number, because the mean of its divisors is an integer number (48704320).

Almost surely, 2^1042001420 is an apocalyptic number.

1042001420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042001420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168903680).

1042001420 is an abundant number, since it is smaller than the sum of its proper divisors (1295805940).

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

1042001420 is a wasteful number, since it uses less digits than its factorization.

1042001420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41022 (or 41020 counting only the distinct ones).

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

The square root of 1042001420 is about 32280.0467781569. The cubic root of 1042001420 is about 1013.8089096264.

Adding to 1042001420 its reverse (241002401), we get a palindrome (1283003821).

The spelling of 1042001420 in words is "one billion, forty-two million, one thousand, four hundred twenty".