1421168958 has 144 divisors (see below), whose sum is σ = 3623347728. Its totient is φ = 400857600.

The previous prime is 1421168953. The next prime is 1421169007. The reversal of 1421168958 is 8598611241.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421168951) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4850260 + ... + 4850552.

It is an arithmetic number, because the mean of its divisors is an integer number (25162137).

Almost surely, 2^1421168958 is an apocalyptic number.

1421168958 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1421168958, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811673864).

1421168958 is an abundant number, since it is smaller than the sum of its proper divisors (2202178770).

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

1421168958 is a wasteful number, since it uses less digits than its factorization.

1421168958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 457 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1421168958 is about 37698.3946342547. The cubic root of 1421168958 is about 1124.2992068067.

The spelling of 1421168958 in words is "one billion, four hundred twenty-one million, one hundred sixty-eight thousand, nine hundred fifty-eight".