1025412135 has 32 divisors (see below), whose sum is σ = 1819169280. Its totient is φ = 489014400.

The previous prime is 1025412133. The next prime is 1025412161. The reversal of 1025412135 is 5312145201.

It is a happy number.

It is not a de Polignac number, because 1025412135 - 2¹ = 1025412133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025412133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40875 + ... + 61004.

It is an arithmetic number, because the mean of its divisors is an integer number (56849040).

Almost surely, 2^1025412135 is an apocalyptic number.

1025412135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025412135 is a deficient number, since it is larger than the sum of its proper divisors (793757145).

1025412135 is a wasteful number, since it uses less digits than its factorization.

1025412135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101959.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1025412135 is about 32022.0570076315. The cubic root of 1025412135 is about 1008.3999548602.

Adding to 1025412135 its reverse (5312145201), we get a palindrome (6337557336).

The spelling of 1025412135 in words is "one billion, twenty-five million, four hundred twelve thousand, one hundred thirty-five".