1421140123 has 8 divisors (see below), whose sum is σ = 1597000608. Its totient is φ = 1254785664.

The previous prime is 1421140117. The next prime is 1421140183. The reversal of 1421140123 is 3210411241.

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 1421140123 - 2²⁵ = 1387585691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421140123.

It is not an unprimeable number, because it can be changed into a prime (1421140103) 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, 2376190 + ... + 2376787.

It is an arithmetic number, because the mean of its divisors is an integer number (199625076).

Almost surely, 2^1421140123 is an apocalyptic number.

1421140123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1421140123 is a deficient number, since it is larger than the sum of its proper divisors (175860485).

1421140123 is a wasteful number, since it uses less digits than its factorization.

1421140123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753013.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1421140123 is about 37698.0121889736. The cubic root of 1421140123 is about 1124.2916028816.

Adding to 1421140123 its reverse (3210411241), we get a palindrome (4631551364).

The spelling of 1421140123 in words is "one billion, four hundred twenty-one million, one hundred forty thousand, one hundred twenty-three".