1242525102 has 64 divisors (see below), whose sum is σ = 3219525120. Its totient is φ = 310449024.

The previous prime is 1242525101. The next prime is 1242525103. The reversal of 1242525102 is 2015252421.

It is an interprime number because it is at equal distance from previous prime (1242525101) and next prime (1242525103).

It is a super-2 number, since 2×1242525102² = 3087737258200220808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242525101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49513 + ... + 70260.

It is an arithmetic number, because the mean of its divisors is an integer number (50305080).

Almost surely, 2^1242525102 is an apocalyptic number.

1242525102 is an abundant number, since it is smaller than the sum of its proper divisors (1977000018).

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

1242525102 is a wasteful number, since it uses less digits than its factorization.

1242525102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119817.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1242525102 is about 35249.4695279234. The cubic root of 1242525102 is about 1075.0658267244.

Adding to 1242525102 its reverse (2015252421), we get a palindrome (3257777523).

The spelling of 1242525102 in words is "one billion, two hundred forty-two million, five hundred twenty-five thousand, one hundred two".