1030157225 has 6 divisors (see below), whose sum is σ = 1277394990. Its totient is φ = 824125760.

The previous prime is 1030157213. The next prime is 1030157231. The reversal of 1030157225 is 5227510301.

It can be written as a sum of positive squares in 3 ways, for example, as 45954841 + 984202384 = 6779^2 + 31372^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1030157225 is a prime.

It is a super-2 number, since 2×1030157225² = 2122447816439401250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030157194 and 1030157203.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 20603120 + ... + 20603169.

It is an arithmetic number, because the mean of its divisors is an integer number (212899165).

Almost surely, 2^1030157225 is an apocalyptic number.

It is an amenable number.

1030157225 is a deficient number, since it is larger than the sum of its proper divisors (247237765).

1030157225 is an equidigital number, since it uses as much as digits as its factorization.

1030157225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41206299 (or 41206294 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 1030157225 is about 32096.0624532044. The cubic root of 1030157225 is about 1009.9530171263.

Adding to 1030157225 its reverse (5227510301), we get a palindrome (6257667526).

The spelling of 1030157225 in words is "one billion, thirty million, one hundred fifty-seven thousand, two hundred twenty-five".