1254003421 has 8 divisors (see below), whose sum is σ = 1368428544. Its totient is φ = 1139649120.

The previous prime is 1254003403. The next prime is 1254003427. The reversal of 1254003421 is 1243004521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1254003421 - 2⁵ = 1254003389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254003392 and 1254003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254003427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23505 + ... + 55321.

It is an arithmetic number, because the mean of its divisors is an integer number (171053568).

Almost surely, 2^1254003421 is an apocalyptic number.

1254003421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1254003421 is a deficient number, since it is larger than the sum of its proper divisors (114425123).

1254003421 is a wasteful number, since it uses less digits than its factorization.

1254003421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35411.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1254003421 is about 35411.9107222415. The cubic root of 1254003421 is about 1078.3661340086.

Adding to 1254003421 its reverse (1243004521), we get a palindrome (2497007942).

It can be divided in two parts, 125400 and 3421, that added together give a palindrome (128821).

The spelling of 1254003421 in words is "one billion, two hundred fifty-four million, three thousand, four hundred twenty-one".