1025151 has 8 divisors (see below), whose sum is σ = 1447344. Its totient is φ = 643200.

The previous prime is 1025149. The next prime is 1025153. The reversal of 1025151 is 1515201.

It is an interprime number because it is at equal distance from previous prime (1025149) and next prime (1025153).

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

It is not a de Polignac number, because 1025151 - 2¹ = 1025149 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

1025151 is a modest number, since divided by 5151 gives 102 as remainder.

1025151 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025153) 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, 10000 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (180918).

2^1025151 is an apocalyptic number.

1025151 is a deficient number, since it is larger than the sum of its proper divisors (422193).

1025151 is a wasteful number, since it uses less digits than its factorization.

1025151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20121.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1025151 is about 1012.4974074041. The cubic root of 1025151 is about 100.8314346720.

Adding to 1025151 its product of nonzero digits (50), we get a palindrome (1025201).

It can be divided in two parts, 1025 and 151, that added together give a triangular number (1176 = T₄₈).

The spelling of 1025151 in words is "one million, twenty-five thousand, one hundred fifty-one".