1252025071 has 8 divisors (see below), whose sum is σ = 1366107264. Its totient is φ = 1137986520.

The previous prime is 1252025069. The next prime is 1252025081. The reversal of 1252025071 is 1705202521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252025071 - 2¹ = 1252025069 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 (1252025051) 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, 88536 + ... + 101698.

It is an arithmetic number, because the mean of its divisors is an integer number (170763408).

Almost surely, 2^1252025071 is an apocalyptic number.

1252025071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1252025071 is a deficient number, since it is larger than the sum of its proper divisors (114082193).

1252025071 is a wasteful number, since it uses less digits than its factorization.

1252025071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1252025071 is about 35383.9662983109. The cubic root of 1252025071 is about 1077.7987489214.

Adding to 1252025071 its reverse (1705202521), we get a palindrome (2957227592).

The spelling of 1252025071 in words is "one billion, two hundred fifty-two million, twenty-five thousand, seventy-one".