1428070253 has 8 divisors (see below), whose sum is σ = 1490696448. Its totient is φ = 1365488784.

The previous prime is 1428070249. The next prime is 1428070283. The reversal of 1428070253 is 3520708241.

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 1428070253 - 2² = 1428070249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428070283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65276 + ... + 84362.

It is an arithmetic number, because the mean of its divisors is an integer number (186337056).

Almost surely, 2^1428070253 is an apocalyptic number.

It is an amenable number.

1428070253 is a deficient number, since it is larger than the sum of its proper divisors (62626195).

1428070253 is a wasteful number, since it uses less digits than its factorization.

1428070253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22363.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1428070253 is about 37789.8167897120. The cubic root of 1428070253 is about 1126.1161605231.

Adding to 1428070253 its reverse (3520708241), we get a palindrome (4948778494).

The spelling of 1428070253 in words is "one billion, four hundred twenty-eight million, seventy thousand, two hundred fifty-three".