1051342420 has 96 divisors (see below), whose sum is σ = 2385266688. Its totient is φ = 388219392.

The previous prime is 1051342393. The next prime is 1051342421. The reversal of 1051342420 is 242431501.

It is a super-2 number, since 2×1051342420² = 2210641768182912800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051342391 and 1051342400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051342421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3795322 + ... + 3795598.

It is an arithmetic number, because the mean of its divisors is an integer number (24846528).

Almost surely, 2^1051342420 is an apocalyptic number.

1051342420 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 1051342420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192633344).

1051342420 is an abundant number, since it is smaller than the sum of its proper divisors (1333924268).

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

1051342420 is a wasteful number, since it uses less digits than its factorization.

1051342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1051342420 is about 32424.4108658893. The cubic root of 1051342420 is about 1016.8293249854.

Adding to 1051342420 its reverse (242431501), we get a palindrome (1293773921).

The spelling of 1051342420 in words is "one billion, fifty-one million, three hundred forty-two thousand, four hundred twenty".