1000142403 has 8 divisors (see below), whose sum is σ = 1436101968. Its totient is φ = 615472224.

The previous prime is 1000142393. The next prime is 1000142443. The reversal of 1000142403 is 3042410001.

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

It is not a de Polignac number, because 1000142403 - 2¹³ = 1000134211 is a prime.

It is a super-2 number, since 2×1000142403² = 2000569652557228818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000142443) 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, 12822300 + ... + 12822377.

It is an arithmetic number, because the mean of its divisors is an integer number (179512746).

Almost surely, 2^1000142403 is an apocalyptic number.

1000142403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000142403 is a deficient number, since it is larger than the sum of its proper divisors (435959565).

1000142403 is a wasteful number, since it uses less digits than its factorization.

1000142403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25644693.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1000142403 is about 31625.0281106594. The cubic root of 1000142403 is about 1000.0474654137.

Adding to 1000142403 its reverse (3042410001), we get a palindrome (4042552404).

The spelling of 1000142403 in words is "one billion, one hundred forty-two thousand, four hundred three".