757242120 has 64 divisors (see below), whose sum is σ = 2327149440. Its totient is φ = 197004800.

The previous prime is 757242119. The next prime is 757242121. The reversal of 757242120 is 21242757.

It is an interprime number because it is at equal distance from previous prime (757242119) and next prime (757242121).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (757242121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72036 + ... + 81875.

It is an arithmetic number, because the mean of its divisors is an integer number (36361710).

Almost surely, 2^757242120 is an apocalyptic number.

It is an amenable number.

757242120 is an abundant number, since it is smaller than the sum of its proper divisors (1569907320).

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

757242120 is a wasteful number, since it uses less digits than its factorization.

757242120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153966 (or 153962 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 757242120 is about 27518.0326331662. The cubic root of 757242120 is about 911.4753349574.

Adding to 757242120 its reverse (21242757), we get a palindrome (778484877).

The spelling of 757242120 in words is "seven hundred fifty-seven million, two hundred forty-two thousand, one hundred twenty".