1025212301 has 4 divisors (see below), whose sum is σ = 1028254812. Its totient is φ = 1022169792.

The previous prime is 1025212291. The next prime is 1025212343. The reversal of 1025212301 is 1032125201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1032125201 = 19 ⋅54322379.

It can be written as a sum of positive squares in 2 ways, for example, as 431559076 + 593653225 = 20774^2 + 24365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025212301 - 2²⁶ = 958103437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025212301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025214301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520750 + ... + 1521423.

It is an arithmetic number, because the mean of its divisors is an integer number (257063703).

Almost surely, 2^1025212301 is an apocalyptic number.

It is an amenable number.

1025212301 is a deficient number, since it is larger than the sum of its proper divisors (3042511).

1025212301 is an equidigital number, since it uses as much as digits as its factorization.

1025212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042510.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1025212301 is about 32018.9366000809. The cubic root of 1025212301 is about 1008.3344443916.

Adding to 1025212301 its reverse (1032125201), we get a palindrome (2057337502).

The spelling of 1025212301 in words is "one billion, twenty-five million, two hundred twelve thousand, three hundred one".