1020629260 has 48 divisors (see below), whose sum is σ = 2484034560. Its totient is φ = 344998080.

The previous prime is 1020629257. The next prime is 1020629263. The reversal of 1020629260 is 629260201.

It is an interprime number because it is at equal distance from previous prime (1020629257) and next prime (1020629263).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1020629263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41400 + ... + 61279.

It is an arithmetic number, because the mean of its divisors is an integer number (51750720).

Almost surely, 2^1020629260 is an apocalyptic number.

1020629260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020629260 is an abundant number, since it is smaller than the sum of its proper divisors (1463405300).

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

1020629260 is a wasteful number, since it uses less digits than its factorization.

1020629260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102766 (or 102764 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1020629260 is about 31947.2887738537. The cubic root of 1020629260 is about 1006.8296694269.

Adding to 1020629260 its reverse (629260201), we get a palindrome (1649889461).

The spelling of 1020629260 in words is "one billion, twenty million, six hundred twenty-nine thousand, two hundred sixty".