1254021422 has 16 divisors (see below), whose sum is σ = 2060361360. Its totient is φ = 569778048.

The previous prime is 1254021407. The next prime is 1254021437. The reversal of 1254021422 is 2241204521.

It is an interprime number because it is at equal distance from previous prime (1254021407) and next prime (1254021437).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634928 + ... + 636899.

It is an arithmetic number, because the mean of its divisors is an integer number (128772585).

Almost surely, 2^1254021422 is an apocalyptic number.

1254021422 is a deficient number, since it is larger than the sum of its proper divisors (806339938).

1254021422 is a wasteful number, since it uses less digits than its factorization.

1254021422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271875.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1254021422 is about 35412.1648872248. The cubic root of 1254021422 is about 1078.3712939031.

Adding to 1254021422 its reverse (2241204521), we get a palindrome (3495225943).

The spelling of 1254021422 in words is "one billion, two hundred fifty-four million, twenty-one thousand, four hundred twenty-two".