1051225401 has 8 divisors (see below), whose sum is σ = 1407650400. Its totient is φ = 697808672.

The previous prime is 1051225397. The next prime is 1051225433. The reversal of 1051225401 is 1045221501.

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 1051225401 - 2² = 1051225397 is a prime.

It is a super-2 number, since 2×1051225401² = 2210149687415221602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051225451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751251 + ... + 752648.

It is an arithmetic number, because the mean of its divisors is an integer number (175956300).

Almost surely, 2^1051225401 is an apocalyptic number.

It is an amenable number.

1051225401 is a deficient number, since it is larger than the sum of its proper divisors (356424999).

1051225401 is a wasteful number, since it uses less digits than its factorization.

1051225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504135.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1051225401 is about 32422.6063264507. The cubic root of 1051225401 is about 1016.7915977383.

Adding to 1051225401 its reverse (1045221501), we get a palindrome (2096446902).

The spelling of 1051225401 in words is "one billion, fifty-one million, two hundred twenty-five thousand, four hundred one".