1428615001 has 4 divisors (see below), whose sum is σ = 1558489104. Its totient is φ = 1298740900.

The previous prime is 1428614989. The next prime is 1428615079. The reversal of 1428615001 is 1005168241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1428615001 - 2⁵ = 1428614969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428615401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64937035 + ... + 64937056.

It is an arithmetic number, because the mean of its divisors is an integer number (389622276).

Almost surely, 2^1428615001 is an apocalyptic number.

1428615001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1428615001 is a deficient number, since it is larger than the sum of its proper divisors (129874103).

1428615001 is a wasteful number, since it uses less digits than its factorization.

1428615001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129874102.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1428615001 is about 37797.0237055777. The cubic root of 1428615001 is about 1126.2593307768.

The spelling of 1428615001 in words is "one billion, four hundred twenty-eight million, six hundred fifteen thousand, one".