1284429401 has 8 divisors (see below), whose sum is σ = 1353791880. Its totient is φ = 1216738432.

The previous prime is 1284429397. The next prime is 1284429409. The reversal of 1284429401 is 1049244821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 150087001 + 1134342400 = 12251^2 + 33680^2 .

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 1284429401 - 2² = 1284429397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1284429409) 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, 416300 + ... + 419373.

It is an arithmetic number, because the mean of its divisors is an integer number (169223985).

Almost surely, 2^1284429401 is an apocalyptic number.

It is an amenable number.

1284429401 is a deficient number, since it is larger than the sum of its proper divisors (69362479).

1284429401 is an equidigital number, since it uses as much as digits as its factorization.

1284429401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835755.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1284429401 is about 35838.9369401493. The cubic root of 1284429401 is about 1087.0180260147.

The spelling of 1284429401 in words is "one billion, two hundred eighty-four million, four hundred twenty-nine thousand, four hundred one".