1252061225 has 24 divisors (see below), whose sum is σ = 1625520960. Its totient is φ = 955411520.

The previous prime is 1252061219. The next prime is 1252061231. The reversal of 1252061225 is 5221602521.

It is an interprime number because it is at equal distance from previous prime (1252061219) and next prime (1252061231).

It is not a de Polignac number, because 1252061225 - 2¹² = 1252057129 is a prime.

It is a super-2 number, since 2×1252061225² = 3135314622297001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252061194 and 1252061203.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49772 + ... + 70578.

It is an arithmetic number, because the mean of its divisors is an integer number (67730040).

Almost surely, 2^1252061225 is an apocalyptic number.

It is an amenable number.

1252061225 is a deficient number, since it is larger than the sum of its proper divisors (373459735).

1252061225 is a wasteful number, since it uses less digits than its factorization.

1252061225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20929 (or 20924 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1252061225 is about 35384.4771757334. The cubic root of 1252061225 is about 1077.8091231441.

Adding to 1252061225 its reverse (5221602521), we get a palindrome (6473663746).

The spelling of 1252061225 in words is "one billion, two hundred fifty-two million, sixty-one thousand, two hundred twenty-five".