70121125570 has 32 divisors (see below), whose sum is σ = 133009827840. Its totient is φ = 26563310400.

The previous prime is 70121125567. The next prime is 70121125573. The reversal of 70121125570 is 7552112107.

It is an interprime number because it is at equal distance from previous prime (70121125567) and next prime (70121125573).

It is not an unprimeable number, because it can be changed into a prime (70121125573) 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 15 ways as a sum of consecutive naturals, for example, 1486050 + ... + 1532509.

It is an arithmetic number, because the mean of its divisors is an integer number (4156557120).

Almost surely, 2^70121125570 is an apocalyptic number.

70121125570 is a deficient number, since it is larger than the sum of its proper divisors (62888702270).

70121125570 is a wasteful number, since it uses less digits than its factorization.

70121125570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018690.

The product of its (nonzero) digits is 4900, while the sum is 31.

Adding to 70121125570 its reverse (7552112107), we get a palindrome (77673237677).

The spelling of 70121125570 in words is "seventy billion, one hundred twenty-one million, one hundred twenty-five thousand, five hundred seventy".