1242125110 has 16 divisors (see below), whose sum is σ = 2238847776. Its totient is φ = 496178368.

The previous prime is 1242125107. The next prime is 1242125123. The reversal of 1242125110 is 115212421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76159 + ... + 91018.

It is an arithmetic number, because the mean of its divisors is an integer number (139927986).

Almost surely, 2^1242125110 is an apocalyptic number.

1242125110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242125110 is a deficient number, since it is larger than the sum of its proper divisors (996722666).

1242125110 is a wasteful number, since it uses less digits than its factorization.

1242125110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167927.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1242125110 is about 35243.7953404567. The cubic root of 1242125110 is about 1074.9504530977.

Adding to 1242125110 its reverse (115212421), we get a palindrome (1357337531).

The spelling of 1242125110 in words is "one billion, two hundred forty-two million, one hundred twenty-five thousand, one hundred ten".