1051302420 has 72 divisors (see below), whose sum is σ = 3644519424. Its totient is φ = 240297408.

The previous prime is 1051302407. The next prime is 1051302431. The reversal of 1051302420 is 242031501.

1051302420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051302420² = 2210473556595712800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1051302393 and 1051302402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415924 + ... + 418443.

Almost surely, 2^1051302420 is an apocalyptic number.

1051302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051302420 is an abundant number, since it is smaller than the sum of its proper divisors (2593217004).

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

1051302420 is a wasteful number, since it uses less digits than its factorization.

1051302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834389 (or 834384 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1051302420 is about 32423.7940407966. The cubic root of 1051302420 is about 1016.8164291904.

Adding to 1051302420 its reverse (242031501), we get a palindrome (1293333921).

The spelling of 1051302420 in words is "one billion, fifty-one million, three hundred two thousand, four hundred twenty".