1030420455 has 16 divisors (see below), whose sum is σ = 1661261184. Its totient is φ = 545361440.

The previous prime is 1030420451. The next prime is 1030420499. The reversal of 1030420455 is 5540240301.

It is not a de Polignac number, because 1030420455 - 2² = 1030420451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030420451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 260229 + ... + 264158.

It is an arithmetic number, because the mean of its divisors is an integer number (103828824).

Almost surely, 2^1030420455 is an apocalyptic number.

1030420455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1030420455 is a deficient number, since it is larger than the sum of its proper divisors (630840729).

1030420455 is a wasteful number, since it uses less digits than its factorization.

1030420455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524526.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1030420455 is about 32100.1628500542. The cubic root of 1030420455 is about 1010.0390322464.

Adding to 1030420455 its reverse (5540240301), we get a palindrome (6570660756).

The spelling of 1030420455 in words is "one billion, thirty million, four hundred twenty thousand, four hundred fifty-five".