1425420234 has 32 divisors (see below), whose sum is σ = 3620115840. Its totient is φ = 407262816.

The previous prime is 1425420197. The next prime is 1425420247. The reversal of 1425420234 is 4320245241.

1425420234 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 420 + 234 = 666.

It is a super-2 number, since 2×1425420234² = 4063645686993229512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1425420198 and 1425420207.

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, 1885099 + ... + 1885854.

It is an arithmetic number, because the mean of its divisors is an integer number (113128620).

Almost surely, 2^1425420234 is an apocalyptic number.

1425420234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1425420234 is an abundant number, since it is smaller than the sum of its proper divisors (2194695606).

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

1425420234 is a wasteful number, since it uses less digits than its factorization.

1425420234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770971 (or 3770965 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1425420234 is about 37754.7379013548. The cubic root of 1425420234 is about 1125.4191646926.

Adding to 1425420234 its reverse (4320245241), we get a palindrome (5745665475).

The spelling of 1425420234 in words is "one billion, four hundred twenty-five million, four hundred twenty thousand, two hundred thirty-four".