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1424881 is a prime number
BaseRepresentation
bin101011011110111110001
32200101120101
411123313301
5331044011
650312401
715053113
oct5336761
92611511
101424881
11893597
12588701
133ab733
142913b3
151d22c1
hex15bdf1

1424881 has 2 divisors, whose sum is σ = 1424882. Its totient is φ = 1424880.

The previous prime is 1424869. The next prime is 1424903. The reversal of 1424881 is 1884241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1418481 + 6400 = 1191^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424881 - 25 = 1424849 is a prime.

It is a super-2 number, since 2×14248812 = 4060571728322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1424831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712440 + 712441.

It is an arithmetic number, because the mean of its divisors is an integer number (712441).

21424881 is an apocalyptic number.

It is an amenable number.

1424881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424881 is an equidigital number, since it uses as much as digits as its factorization.

1424881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 28.

The square root of 1424881 is about 1193.6837939756. The cubic root of 1424881 is about 112.5277232088.

The spelling of 1424881 in words is "one million, four hundred twenty-four thousand, eight hundred eighty-one".