1025121060 has 72 divisors (see below), whose sum is σ = 3273204480. Its totient is φ = 258977088.

The previous prime is 1025121059. The next prime is 1025121061. The reversal of 1025121060 is 601215201.

It is an interprime number because it is at equal distance from previous prime (1025121059) and next prime (1025121061).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1025121061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146452 + ... + 153291.

Almost surely, 2^1025121060 is an apocalyptic number.

1025121060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025121060 is an abundant number, since it is smaller than the sum of its proper divisors (2248083420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025121060 is a wasteful number, since it uses less digits than its factorization.

1025121060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299777 (or 299772 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1025121060 is about 32017.5117709044. The cubic root of 1025121060 is about 1008.3045305314.

Adding to 1025121060 its reverse (601215201), we get a palindrome (1626336261).

The spelling of 1025121060 in words is "one billion, twenty-five million, one hundred twenty-one thousand, sixty".