7121137030 has 16 divisors (see below), whose sum is σ = 14649196320. Its totient is φ = 2441532672.

The previous prime is 7121137027. The next prime is 7121137033. The reversal of 7121137030 is 307311217.

It is an interprime number because it is at equal distance from previous prime (7121137027) and next prime (7121137033).

It is a junction number, because it is equal to n+sod(n) for n = 7121136986 and 7121137004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121137033) 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, 50865195 + ... + 50865334.

It is an arithmetic number, because the mean of its divisors is an integer number (915574770).

Almost surely, 2^7121137030 is an apocalyptic number.

7121137030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7121137030 is an abundant number, since it is smaller than the sum of its proper divisors (7528059290).

7121137030 is a wasteful number, since it uses less digits than its factorization.

7121137030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101730543.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 7121137030 is about 84386.8297188608. The cubic root of 7121137030 is about 1923.9027450073.

Adding to 7121137030 its reverse (307311217), we get a palindrome (7428448247).

It can be divided in two parts, 71211 and 37030, that added together give a square (108241 = 329²).

The spelling of 7121137030 in words is "seven billion, one hundred twenty-one million, one hundred thirty-seven thousand, thirty".