121503070 has 16 divisors (see below), whose sum is σ = 235529280. Its totient is φ = 44862624.

The previous prime is 121503017. The next prime is 121503071. The reversal of 121503070 is 70305121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121503071) 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, 467190 + ... + 467449.

It is an arithmetic number, because the mean of its divisors is an integer number (14720580).

Almost surely, 2^121503070 is an apocalyptic number.

121503070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121503070 is a deficient number, since it is larger than the sum of its proper divisors (114026210).

121503070 is a wasteful number, since it uses less digits than its factorization.

121503070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934659.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 121503070 is about 11022.8430996726. The cubic root of 121503070 is about 495.2932588697.

Adding to 121503070 its reverse (70305121), we get a palindrome (191808191).

The spelling of 121503070 in words is "one hundred twenty-one million, five hundred three thousand, seventy".