1231001422 has 24 divisors (see below), whose sum is σ = 2160862704. Its totient is φ = 524405952.

The previous prime is 1231001407. The next prime is 1231001461. The reversal of 1231001422 is 2241001321.

It is a junction number, because it is equal to n+sod(n) for n = 1231001396 and 1231001405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21243 + ... + 53974.

It is an arithmetic number, because the mean of its divisors is an integer number (90035946).

Almost surely, 2^1231001422 is an apocalyptic number.

1231001422 is a deficient number, since it is larger than the sum of its proper divisors (929861282).

1231001422 is a wasteful number, since it uses less digits than its factorization.

1231001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75400 (or 75393 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1231001422 is about 35085.6298504103. The cubic root of 1231001422 is about 1071.7319671978.

Adding to 1231001422 its reverse (2241001321), we get a palindrome (3472002743).

The spelling of 1231001422 in words is "one billion, two hundred thirty-one million, one thousand, four hundred twenty-two".